messages listlengths 2 2 |
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[
{
"role": "user",
"content": "Write a regular expression that matches all prime numbers within a given string."
},
{
"role": "system",
"content": "Matching prime numbers within a given string using regular expressions is not possible as regular expressions are not designed to perform mathematica... |
[
{
"role": "user",
"content": "Create a regular expression to check if a given string contains any the letter 'X'. Additionally, the regular expression should only match the letter 'X' when it is not followed immediately by the letter 'Y'."
},
{
"role": "system",
"content": "The regular expressio... |
[
{
"role": "user",
"content": "Create a function in Python to return the approximate value of sin(x) using degrees, without using the math module or any built-in trigonometric functions."
},
{
"role": "system",
"content": "To approximate the value of sin(x) using degrees without using the math mo... |
[
{
"role": "user",
"content": "Create a function to normalize a given pandas dataframe by scaling all values between 0 and 1, while also rounding the values to the nearest two decimal places."
},
{
"role": "system",
"content": "Here is a function that normalizes a given pandas dataframe by scalin... |
[
{
"role": "user",
"content": "Remove all HTML tags from a string, but also remove any content inside the tags. Additionally, convert all HTML entities to their corresponding characters.\nInput: \"<h1>Hello & <strong>World</strong></h1>\"\nExpected Output: \"Hello & World\""
},
{
"role": "system"... |
[
{
"role": "user",
"content": "Design a function in Python to calculate the Fibonacci sequence up to a particular number, but also implement error handling for invalid input."
},
{
"role": "system",
"content": "Here's a function that calculates the Fibonacci sequence up to a given number, with er... |
[
{
"role": "user",
"content": "Print all possible combination and permutations with length 4 for a given array.\n[1, 2, 3, 4]\n\nIn addition to printing all possible combinations and permutations, also calculate the sum of each combination and permutation and print the combinations and permutations in descen... |
[
{
"role": "user",
"content": "Write a Python code to print a Pascal's triangle with five rows, where each number in the triangle should be the sum of the two numbers directly above it. Additionally, the code should implement a function that takes an integer input and prints a Pascal's triangle with the spec... |
[
{
"role": "user",
"content": "Generate a code in Python to generate a list containing multiplication table up to a given number N. The code should be able to handle large values of N efficiently."
},
{
"role": "system",
"content": "Here's a code in Python that generates a list containing the mul... |
[
{
"role": "user",
"content": "Describe the Pandas feature \"DataFrame\" and provide an example of how it can be used in data analysis.\n\n#Additional Instructions#\nExplain the differences between a DataFrame and a Series in Pandas and describe when it is appropriate to use each one."
},
{
"role": "... |
[
{
"role": "user",
"content": "Handle the given input, sort the users by age in ascending order, and output a CSV string with the format \"user_id, name, age\". The CSV string should only include users who are at least 18 years old."
},
{
"role": "system",
"content": "To handle the given input an... |
[
{
"role": "user",
"content": "Write a function that takes an array of integer values as input and returns the average of all the values.\n\nThe function should perform the following steps:\n1. Check if the input array is empty. If it is, return 0 as the average.\n2. Check if the input array contains only in... |
[
{
"role": "user",
"content": "Compute the parity of the following binary number using only bitwise operations.\n\n#New Test#\nWrite a function to calculate the parity of a given binary number using only bitwise operations. The function should take in an integer and return 1 if the number of set bits in the ... |
[
{
"role": "user",
"content": "Write a piece of code to store 5 values in a single variable, where each value represents a different data type."
},
{
"role": "system",
"content": "In Python, you can use a list to store multiple values of different data types in a single variable. Here's an exampl... |
[
{
"role": "user",
"content": "Create a Python class object to store data about a professional basketball player, including their full name, team, position, height, weight, and career statistics (such as points per game, rebounds per game, and assists per game). Implement methods to update the player's stati... |
[
{
"role": "user",
"content": "Compare two given lists to find the common elements and store the output in a new list. Print the common elements in descending order.\nlist1 = [1, 2, 3, 4, 5]\nlist2 = [2, 4, 6, 8, 10]\n\n# Erroneous Code #\nPrint the common elements in ascending order instead of descending or... |
[
{
"role": "user",
"content": "Write a code snippet that checks whether a number is odd or even. The code should also handle negative numbers and decimals, and it should return an error message if the input is not a number."
},
{
"role": "system",
"content": "Here is a code snippet in Python that... |
[
{
"role": "user",
"content": "Write a Python function called `sum_of_lists` that takes in a list of lists as a parameter and returns the sum of all the elements in the input lists. The input list of lists will always contain integers.\n\nThe function should have the following specifications:\n- Input: a lis... |
[
{
"role": "user",
"content": "Implement a function that takes 2 numbers as parameters and returns the greatest common divisor of both numbers. The function should not use any built-in library or function for finding the greatest common divisor. Additionally, the function should be able to handle large numbe... |
[
{
"role": "user",
"content": "Suggest how to make the following code more readable and efficient using list comprehensions.\ndef has_duplicates(arr):\n return any(arr[i] == arr[j] for i in range(len(arr)) for j in range(i + 1, len(arr)))"
},
{
"role": "system",
"content": "Here's how you can ... |
[
{
"role": "user",
"content": "Write code to convert a given number expressed in hexadecimal representation to its corresponding decimal representation."
},
{
"role": "system",
"content": "Here is an example code in Python to convert a hexadecimal number to its decimal representation:\n\n```pytho... |
[
{
"role": "user",
"content": "Explain what a stack overflow is, how to try to avoid it, and provide a code example demonstrating the implementation of a stack data structure in a programming language of your choice."
},
{
"role": "system",
"content": "A stack overflow is a situation that occurs ... |
[
{
"role": "user",
"content": "Search a given list for a specific element and return its position. The list can contain up to 1000 elements and the element can be a string of maximum length 50 characters. The function should handle cases where the element is not found in the list and return -1 in such cases.... |
[
{
"role": "user",
"content": "Given a list of integers, write a Python program to create a new list that contains the square of every element in the original list. Additionally, for each square, if it is divisible by 3, append the string \"divisible by 3\" to the new list; if it is divisible by 5, append th... |
[
{
"role": "user",
"content": "Make a program to return the longest word in a given list of strings. The program should handle cases where multiple words have the same maximum length and return all of them. The input list may contain words with different capitalization and the program should consider them as... |
[
{
"role": "user",
"content": "Find the surface area of a cube with a side length of 6 cm, but only using a recursive function."
},
{
"role": "system",
"content": "To find the surface area of a cube with a side length of 6 cm using a recursive function, we can break down the problem into smaller ... |
[
{
"role": "user",
"content": "Create a function that takes two strings and outputs the number of similar characters in both strings. The function should be case-sensitive and consider spaces as characters as well.\nFor example:\nString 1: \"Coding\"\nString 2: \"debugging\"\n\nThe function should return 3, ... |
[
{
"role": "user",
"content": "Explore the data set provided and answer the following questions.\n\nData set:\n[\n {'name': 'Alice', 'age': 20, 'profession': 'Teacher'},\n {'name': 'Bob', 'age': 30, 'profession': 'Engineer'},\n {'name': 'Craig', 'age': 40, 'profession': 'Doctor'},\n]\n\n1. Find the ave... |
[
{
"role": "user",
"content": "You're asked to generate a unique list from a given list of duplicate integers. However, the unique list should maintain the order of the first occurrence of each integer in the input list.\n\ninput_list = [1, 1, 2, 3, 3, 3, 4, 4, 5, 5]\n\nOutput: [1, 2, 3, 4, 5]"
},
{
... |
[
{
"role": "user",
"content": "Your program needs to edit an existing string by replacing certain words with another word. However, the replacement must be case-insensitive. The input string may contain punctuation marks and special characters. \n\nstring = \"I am the biggest fan of coding, coding is my pass... |
[
{
"role": "user",
"content": "Your program needs to read a matrix of integers and then print out the sum of each row and each column separately. The matrix can have variable dimensions and can contain both positive and negative numbers.\nmatrix = [[1, 2, 3],\n [4, 5, 6],\n [7, 8, 9],\n ... |
[
{
"role": "user",
"content": "Code a function that takes an array of positive integers and returns the sum of the prime numbers in it. \n\nExample:\ninput_array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\noutput: 17\n\nNote: The function should only consider positive integers greater than 1 as prime numbers."
},
... |
[
{
"role": "user",
"content": "Develop a program that picks a random item from a given list of strings. However, the program should not use the built-in random function or any external libraries. The program should have a time complexity of O(1) for picking the random item."
},
{
"role": "system",
... |
[
{
"role": "user",
"content": "Generate a function that takes a given list of strings and orders them by their lengths in descending order. The function should also handle cases where multiple strings have the same length, in which case they should be ordered alphabetically. The function should have a time c... |
[
{
"role": "user",
"content": "Convert the date 1972-05-18 12:00 PM (in the UTC timezone) to a UNIX timestamp."
},
{
"role": "system",
"content": "The UNIX timestamp is the number of seconds that have elapsed since January 1, 1970, 00:00:00 UTC. To convert the given date and time to a UNIX timest... |
[
{
"role": "user",
"content": "Using an existing loop, create code to calculate the sum of all prime numbers up to a given number."
},
{
"role": "system",
"content": "To calculate the sum of all prime numbers up to a given number, you can use a loop to iterate through each number up to the given ... |
[
{
"role": "user",
"content": "Write code to calculate statistical measures such as Standard Deviation, Median, and Mean from a given set of numbers.\n\nThe input array can contain up to 1 million numbers.\n\nYour solution should have a time complexity of O(n), where n is the number of elements in the input ... |
[
{
"role": "user",
"content": "Create a for loop in Python that iterates through the list [1,2,3,4,5] and prints the square of each element."
},
{
"role": "system",
"content": "Here's an example of a for loop in Python that iterates through the list [1, 2, 3, 4, 5] and prints the square of each e... |
[
{
"role": "user",
"content": "Slice a string after the nth character and reverse the resulting substring.\nPython."
},
{
"role": "system",
"content": "To slice a string after the nth character and reverse the resulting substring in Python, you can use the following code:\n\n```python\ndef slice_... |
[
{
"role": "user",
"content": "Implement a function that retrieves the value of a specific key from a given dictionary, while ignoring the built-in dictionary methods. The function should handle nested dictionaries as well.\n\nExample:\nInput:\ndictionary = {'name': 'John', 'age': 30, 'occupation': 'teacher'... |
[
{
"role": "user",
"content": "Write a function that returns True if a given number is a prime number and False if it is not. Additionally, the function should return the list of all prime factors of the given number.\n\n#Clarifications#\n- The function should take an integer as input and return a boolean va... |
[
{
"role": "user",
"content": "Given an array of integers and a target value, write a function to find the index of the first occurrence of the target value in the array. If the target value is not found in the array, return -1.\n\nFor example, given the array [2, 8, 7, 5, 4] and the target value 4, the func... |
[
{
"role": "user",
"content": "Write a recursive function in Python to calculate the nth term of the Fibonacci sequence."
},
{
"role": "system",
"content": "Here is a recursive function to calculate the nth term of the Fibonacci sequence:\n\n```python\ndef fibonacci(n):\n if n <= 0:\n r... |
[
{
"role": "user",
"content": "Design an algorithm to print out the prime numbers between 1 and 100 that are also palindromic numbers."
},
{
"role": "system",
"content": "To design an algorithm that prints out prime palindromic numbers between 1 and 100, you can follow these steps:\n\n1. Create a... |
[
{
"role": "user",
"content": "Construct an object-oriented program to print out the numerals from 1 to 10, where the program must use at least two classes and implement inheritance."
},
{
"role": "system",
"content": "Here's an example of an object-oriented program in Python that prints out the ... |
[
{
"role": "user",
"content": "Convert the number to a string, but only using a recursive function. The input number must be a positive integer."
},
{
"role": "system",
"content": "Here is a recursive function in Python that converts a positive integer to a string:\n\n```python\ndef number_to_str... |
[
{
"role": "user",
"content": "Create a Python script to print the 3rd element in a given list. The script should also handle cases where the list contains duplicate elements and negative numbers. Additionally, the script should include error handling to display an appropriate message if the list is empty or... |
[
{
"role": "user",
"content": "Compute the sum of all prime numbers between 1 and 100,000."
},
{
"role": "system",
"content": "To find the sum of all prime numbers between 1 and 100,000, we need to iterate through all numbers in that range and check if each number is prime. If a number is prime, ... |
[
{
"role": "user",
"content": "Create a new array 'b' from array 'a' containing only even numbers. Additionally, the new array 'b' should be sorted in ascending order. The input array 'a' should contain at least 10 elements. \na = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]"
},
{
"role": "system",
"c... |
[
{
"role": "user",
"content": "Sort an array of strings based on the sum of the ASCII values of the characters in each string."
},
{
"role": "system",
"content": "To sort an array of strings based on the sum of the ASCII values of the characters in each string, you can use any sorting algorithm a... |
[
{
"role": "user",
"content": "You are given a string and asked to find the frequency of each character in the string, while ignoring case sensitivity and considering only alphabets. The output should be sorted in ascending order of the characters' ASCII values.\nstr = \"GPT Model\""
},
{
"role": "sy... |
[
{
"role": "user",
"content": "Using numpy, find the mean of array 'arr' with the additional constraint that you must implement the mean function from scratch without using any built-in numpy functions or methods. arr = [1, 2, 3, 4, 5]"
},
{
"role": "system",
"content": "Here's how you can implem... |
[
{
"role": "user",
"content": "Write a function 'play_game' that plays a simple game of rock paper scissors.\n\nThe function should take in two parameters:\n- 'player1_choice': a string representing the choice of player 1. The value can be 'rock', 'paper', or 'scissors'.\n- 'player2_choice': a string represe... |
[
{
"role": "user",
"content": "Using the given data structure, find and return the 3 highest numbers in descending order. The algorithm should have a time complexity of O(n log n) and use constant space. The input array will contain at most 10^5 integers, ranging from -10^9 to 10^9."
},
{
"role": "sy... |
[
{
"role": "user",
"content": "Implement a recursive function to print the Fibonacci sequence up to the 30th term, without using any loops or temporary variables."
},
{
"role": "system",
"content": "Here's an implementation of a recursive function to print the Fibonacci sequence up to the 30th te... |
[
{
"role": "user",
"content": "Design a function to retrieve the records from a deeply nested json structure, where the nesting level is not known in advance. The function should be able to handle any level of nesting and return the values of all the leaf nodes.\n\n{\n \"products\": {\n \"book\": {\n ... |
[
{
"role": "user",
"content": "Create a loop that prints all prime numbers between 1 and 100, excluding 2 and 3."
},
{
"role": "system",
"content": "Here is a loop that prints all prime numbers between 1 and 100, excluding 2 and 3:\n\n```python\nfor num in range(4, 101):\n is_prime = True\n ... |
[
{
"role": "user",
"content": "Create a nested dictionary with URLs and titles of 5 different webpages. Each webpage should have additional attributes such as the number of images, the number of hyperlinks, and the number of paragraphs present on the webpage."
},
{
"role": "system",
"content": "H... |
[
{
"role": "user",
"content": "Convert the decimal number 595 to hexadecimal representation, but you are not allowed to use any built-in functions or libraries for conversion. You must implement the conversion algorithm from scratch."
},
{
"role": "system",
"content": "To convert a decimal number... |
[
{
"role": "user",
"content": "Rewrite the following Python code to print a date in the format \"Day, Month DD, YYYY\".\n\nExample output: \"Saturday, January 01, 2022\"\n\n```python\nimport datetime\n\ndef print_human_readable_date():\n days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Sat... |
[
{
"role": "user",
"content": "Write your own version of the Fisher-Yates algorithm for shuffling an array. Your implementation must handle arrays of any size, including very large arrays with millions of elements, efficiently and without causing memory issues. Additionally, your solution should be able to h... |
[
{
"role": "user",
"content": "Generate a random password with the following criteria:\n\n1. The password should be a minimum of 12 characters long.\n2. The password must contain at least one uppercase letter, one lowercase letter, one number, and one special character.\n3. The password should not contain an... |
[
{
"role": "user",
"content": "You are given a large JSON data with the following structure:\n\n```\n{\n \"users\": [\n {\n \"name\": \"John\",\n \"age\": 25,\n \"address\": {\n \"street\": \"123 Main St\",\n \"city\": \"New York\",\n \"state\": \"NY\"\n },\n ... |
[
{
"role": "user",
"content": "Suppose you have a 4x3 matrix, A. Find the transpose of A.\n\nA = [1 9 7; 8 0 6; 4 2 3; 5 1 0];\n\nWrite a function that takes the matrix A as input and returns its transpose.\n\nThe transpose of a matrix is obtained by swapping its rows with its columns. In other words, the el... |
[
{
"role": "user",
"content": "Define a class named \"Day\" in Python to represent a day of the week. The class should include the following methods:\n\n1. `get_day_name()`: This method should return the name of the day.\n2. `is_weekend()`: This method should return True if the day is a weekend (Saturday or ... |
[
{
"role": "user",
"content": "Generate a piece of code that defines and calls a function in Python. The function must have at least one input parameter and return a value. Additionally, the code should include a try-except block to handle potential errors and print an appropriate error message."
},
{
... |
[
{
"role": "user",
"content": "Given an input string, reverse the string without using any built-in string reversal functions or methods. The reversed string should be stored in a new variable called \"reversed_string\". The input string can contain any printable ASCII characters. \n\nFor example:\ninput_str... |
[
{
"role": "user",
"content": "Create an array with 10 random numbers in the range of -100 to 100, with the condition that each number must be unique."
},
{
"role": "system",
"content": "Here is an example code in Python to create an array with 10 random numbers in the range of -100 to 100, with ... |
[
{
"role": "user",
"content": "Using the comment as a guide, create a function to calculate the area of a triangle given the lengths of all three sides. The function should handle cases where the triangle is not valid (i.e., the sum of any two sides is less than or equal to the third side). The function shou... |
[
{
"role": "user",
"content": "Implement a recursive function that takes in a string and checks if it is a palindrome. A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward, ignoring spaces, punctuation, and capitalization. The function should return... |
[
{
"role": "user",
"content": "Given two sorted lists of numbers, write a code to merge them and remove any duplicates. Additionally, modify the code to handle cases where one or both of the lists contain negative numbers.\n\nlist1 = [-10, -5, 0, 1, 2, 3, 4]\nlist2 = [-5, -4, -3, -2, -1, 0, 3, 4, 5, 6]"
},... |
[
{
"role": "user",
"content": "Construct a pandas dataframe from 4 dictionaries, with the following additional constraints:\n- The 'name' column should not contain duplicate values.\n- The 'age' column should only contain positive integers.\n- The 'weight' column should only contain values between 50 and 100... |
[
{
"role": "user",
"content": "Scramble a given array so that it appears in a random order. Additionally, you should ensure that no two adjacent elements in the scrambled array are the same.\n\nExample:\nInput: [3, 7, 8, 2, 5]\nOutput: [5, 2, 7, 3, 8]"
},
{
"role": "system",
"content": "Here is a... |
[
{
"role": "user",
"content": "Compute the sum of numbers in a given binary search tree."
},
{
"role": "system",
"content": "To compute the sum of numbers in a binary search tree, we can use a depth-first search (DFS) algorithm. The algorithm would traverse the tree recursively and keep track of ... |
[
{
"role": "user",
"content": "Calculate the sum of the numbers from 1 to 100, excluding any numbers divisible by 5, and print out the result."
},
{
"role": "system",
"content": "To calculate the sum of the numbers from 1 to 100 excluding numbers divisible by 5, we can use a loop and conditionall... |
[
{
"role": "user",
"content": "Create a loop that runs from -5 to 10 and prints the square of each number."
},
{
"role": "system",
"content": "Here's an example of a loop in Python that prints the square of each number from -5 to 10:\n\n```python\nfor num in range(-5, 11):\n print(num ** 2)\n`... |
[
{
"role": "user",
"content": "Create an array of length 10 and fill each element randomly from 0 to 9. Then, iterate through the array and count the frequency of each number. Finally, print the number that appears the most and its frequency."
},
{
"role": "system",
"content": "Here's an example ... |
[
{
"role": "user",
"content": "Find the sum of all the elements in an array of integers [1,2,3,4,5].\narr = [1,2,3,4,5]\n\n#Updated Rewritten Test#\nFind the sum of all the elements in an array of integers [1,2,3,4,5] and return the average of the sum.\narr = [1,2,3,4,5]"
},
{
"role": "system",
"... |
[
{
"role": "user",
"content": "Create a function that checks for a specific word in the string and returns the number of times the word appears in the string. If the word is not found, the function should return -1.\nmyString = \"This is a simple sentence.\""
},
{
"role": "system",
"content": "He... |
[
{
"role": "user",
"content": "Write a function which takes a list of positive integers and returns an integer which is the product of all the prime numbers in the list."
},
{
"role": "system",
"content": "Here is a Python implementation of the function you described:\n\n```python\ndef product_of... |
[
{
"role": "user",
"content": "Design a function to get the length of the longest increasing subsequence in a given list of integers, ensuring that the time complexity of your solution is O(n log n), where n is the length of the list."
},
{
"role": "system",
"content": "One possible solution to g... |
[
{
"role": "user",
"content": "How would you delete every third element of a given linked list while also ensuring that the remaining elements are in ascending order?"
},
{
"role": "system",
"content": "To delete every third element of a linked list while maintaining ascending order, you can foll... |
[
{
"role": "user",
"content": "Given a square matrix of size n x n, write a program that finds its determinant in Python.\n\nNote: The matrix will be represented as a list of lists, where each inner list represents a row of the matrix.\n\nExample:\nInput:\n[[a, b, c],\n [d, e, f],\n [g, h, i]]\n\nOutput:\nde... |
[
{
"role": "user",
"content": "Write a Python function that takes two parameters: a dictionary and a list. The function should return a new list containing the keys from the dictionary that are also present in the list. The returned list should be sorted in ascending order."
},
{
"role": "system",
... |
[
{
"role": "user",
"content": "Separate the numbers from the non-numeric characters in the given string variable. Return the sum of all the separated numbers.\nString: 1a2b34c\n\nNote: You should not use any built-in functions or libraries that directly solve the problem."
},
{
"role": "system",
... |
[
{
"role": "user",
"content": "Combine two sorted arrays into one sorted array. The two input arrays are arr1 and arr2. Your task is to create a new array that contains all the elements from arr1 and arr2, in sorted order.\n\narr1 = [1, 5, 8, 9, 10];\narr2 = [2, 3, 4, 6, 7];\n\nWrite a function mergeArrays(a... |
[
{
"role": "user",
"content": "Write a code that takes a given list and sorts them using heapsort. The list will contain positive integers only and will have at least 10 elements. The code should handle cases where the list has duplicate elements and sort them in ascending order. The code should also handle ... |
[
{
"role": "user",
"content": "Create a Python function that takes an object as an input and returns its names and values. The function should also handle nested objects and lists within the input object. Additionally, the function should only return the names and values of the top-level attributes of the ob... |
[
{
"role": "user",
"content": "Construct a for loop in Python to iterate through a given list of integers in reverse order. The list contains at most 10^6 elements, and each element is a positive integer between 1 and 10^9 (inclusive)."
},
{
"role": "system",
"content": "Here's an example of how ... |
[
{
"role": "user",
"content": "Given a comma-separated string with numbers, remove the maximum value and the minimum value from it and output a string with comma-separated values.\n\n**Example:**\n\nInput:\n\"8, 12, 5, 2, 18\"\n\nOutput:\n\"8, 12, 5, 2\""
},
{
"role": "system",
"content": "Here i... |
[
{
"role": "user",
"content": "Given a two-dimensional array, write a Python code to sum each row in the array and store it in a new array. Print the sum of each row in reverse order.\n[[1, 2, 3], [4, 5, 6], [7, 8, 9]]\n\n#Erroneous Code#\n```python\ndef sum_rows(arr):\n row_sum = []\n for row in arr:\... |
[
{
"role": "user",
"content": "Given an array with n elements, find the maximum element of the array.\n\nWrite a function `findMax` that takes an array `arr` as input and returns the maximum element in the array. \n\nThe function should use the following steps:\n\n1. Initialize a variable `maxElement` to sto... |
[
{
"role": "user",
"content": "Write a Python program to check if a substring is present in a set of strings, but the substring must be a palindrome.\nsubstring: \"abcba\"\nstrings: [\"hoabcll\", \"aaabcbc\", \"abcbal\"]"
},
{
"role": "system",
"content": "Here is a Python program that checks if ... |
[
{
"role": "user",
"content": "Generate all possible strings of length n using A, B and C. Each string must have at least one occurrence of each character."
},
{
"role": "system",
"content": "To generate all possible strings of length n using characters A, B, and C, with at least one occurrence o... |
[
{
"role": "user",
"content": "Use Python to filter out all the prime numbers from a given list of integers."
},
{
"role": "system",
"content": "To filter out all the prime numbers from a given list of integers, you can create a function in Python to check whether a number is prime or not. Then, ... |
[
{
"role": "user",
"content": "You need to delete all occurrences of a given pattern of characters from a string.\n\nWrite a function that takes in two strings, `string` and `pattern`, and returns a new string with all occurrences of `pattern` removed.\n\nThe function should have a time complexity of O(n), w... |
[
{
"role": "user",
"content": "Implement a function to remove all occurrences of string t from string s, but the removal should be case-sensitive.\ns = 'The quick brown fox jumps over the lazy dog.'\nt = 'the'"
},
{
"role": "system",
"content": "Here is an implementation of a function that remove... |
[
{
"role": "user",
"content": "Given a string s and a list of words words, write a program to find all occurrences of words in the string s, while ignoring any occurrences that are part of a larger word. Additionally, the program should return the frequency of each word in the string s. s = 'The quick brown ... |
[
{
"role": "user",
"content": "Check if the following string can be used as a valid e-mail:\n\nString: myName@domain\n\n1. Split the given string at the '@' symbol to obtain two parts: the username and the domain.\n2. Check if the username contains only alphanumeric characters, periods ('.'), underscores ('_... |
[
{
"role": "user",
"content": "Retrieve the third item from a doubly linked list and delete it from the list."
},
{
"role": "system",
"content": "To retrieve the third item from a doubly linked list and delete it from the list, you will need to perform the following steps:\n\n1. Start at the head... |
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