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from cs50 import get_int
def main():
while True:
credit_number = get_int("Your credit number: ")
if credit_number > 0:
break
if credit_number > 5100000000000000 and credit_number < 5600000000000000:
if func(credit_number, 8) == 0:
print("MASTERCARD")
el... |
"""
各种算法的公用数据结构
"""
import random
from numpy import array
class Sample:
def __init__(self, _feature=None, _target=None):
self.feature = _feature
self.target = _target
class SampleSet:
"""
保存所有训练数据的集合，只接受list类型的feature
"""
def __init__(self, features=None, targets=None):
... |
x = int(input("How many candies do you want"))
av = 10
i =0
while i <= x:
if(i > av):
break;
print("candies ",1)
i += 1
print("Out Of Stock")
print("Bye") |
# general Function
def add(x,y):
return x + y
result = add(3,4)
print(result)
# lambda Function
result1 = lambda a,b: a+b
# single line functions
print(result1(2,5)) |
# Script for Python3.* by Stephen Curtis - 12 Dec 2016
from tkinter import *
from tkinter import ttk
from datetime import datetime
from datetime import timedelta
expected = ""
def calc():
now = datetime.now()
wdlt = e.get()
cdlt = (int(wdlt) / 5) * 7
due = now + timedelta(days=cdlt... |
hours = {
'1': '13',
'2': '14',
'3': '15',
'4': '16',
'5': '17',
'6': '18',
'7': '19',
'8': '20',
'9': '21',
'10': '22',
'11': '23',
'12': '00'
}
string = input().split(':')
if string[0] != '12':
if 'PM' in string[1]:
string[0] = hours[string[0]]
print... |
noises = input().split()
for noise in noises:
if noise == 'Grr':
print('Lion', end=' ')
elif noise == 'Rawr':
print('Tiger', end=' ')
elif noise == 'Ssss':
print('Snake', end=' ')
else:
print('Bird', end=' ') |
############################################################################################################
#
# This is a very old interface I made when I just started out in python. It has been rewritten
# for my thesis and edited for the kinect Pong game I did during my internship
#
# It allows easy usage of i... |
#given an array of integers find the missing number in the array
def missingnumber(arr):
num = 0
n = sorted(arr)
for i in range(0, len(arr)-1):
n = arr[i]+1 == arr[i+1]
if n == False:
return arr[i]+1
arr = [1,2,3,5,6,7,8,9]
result = missingnumber(arr)
print(result) |
#this equation seems to work for any array filled with a set of consecutive numbers ( each integer only appears once )
nums = [1,2,3,4,5,6,7,8,9,10]
n = len(nums)
print('Sum of array ', n*(n+1)//2) |
#Write a function to find the longest common prefix string amongst an array of strings.
#If there is no common prefix, return an empty string "".
class Solution:
def longestCommonPrefix(self, strs):
x = ''
dict = {}
l = []
for s in strs:
if s not in dict:
... |
#Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M.
#For example, two is written as II in Roman numeral, just two one's added together.
#Twelve is written as, XII, which is simply X + II. The number twenty seven is written as XXVII, which is XX + V + II.
#exceptions:
#I can be placed bef... |
#!/usr/bin/env python
# encoding: utf-8
"""
@version: 1.0
@author: lizhifeng
@license: no
@contact: lizhifeng2009@126.com
@site:
@software: PyCharm Community Edition
@file: command.py.py
@time: 15/12/22 下午1:27
"""
class Brucer:
def makeMutton(self):
print "cook mutton"
def makeChicken(self):
... |
#!/usr/bin/env python
# encoding: utf-8
"""
@version: 1.0
@author: lizhifeng
@license: no
@contact: lizhifeng2009@126.com
@site:
@software: PyCharm Community Edition
@file: bridge.py.py
@time: 15/12/22 下午3:20
"""
class Machine:
def action(self):
pass
class Computer(Machine):
def action(self):
... |
name_list = ["张三", "李四", "王五", "李四"]
# len (length 长度) 函数可以统计列表中元素的总数
list_len = len(name_list)
print("列表中包含%d个元素" % list_len)
# count 方法可以统计列表中某一个数据出现的次数
str_count = name_list.count("李四")
print("\"李四\"出现的次数是%d次" % str_count)
|
# Tuple 元组与列表类似，不同之处在于元组的元素不能修改
info_tuple = ("zhangsan", 18, 1.75, 18)
print(type(info_tuple))
print("名字是 %s" % info_tuple[0])
single_tuple = (5,)
print(type(single_tuple))
# 取值和取索引
print(info_tuple[1])
print(info_tuple.index(1.75))
# 统计计数
print(info_tuple.count(18))
print(len(info_tuple))
# 循环遍历
for info in in... |
# post请求(携带了参数)
# 响应数据是一组json数据
import requests
import json
if __name__ == '__main__':
# 1.指定url
post_url = "https://fanyi.baidu.com/sug"
# 2.UA伪装：将对应的User-Agent伪装到一个字典中
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.... |
for num in [1, 2, 3]:
print(num)
if num == 2:
break
else:
# 当for循环完全执行完后，才会执行else部分
# 当循环因break退出,else部分不会执行
print("这里会执行吗")
print("循环结束")
|
# 1.判断空白字符
space_str = " \t\n\r"
print(space_str.isspace())
# 2. 判断字符串中是否只包含数字
# >1 都不能判断小数
# >2 isdecimal 判断全角数字
# isdigit 可判断全角数字、①、\u00b2
# isnumeric 可判断全角数字、汉字数字
num_str = "1"
print(num_str)
print(num_str.isdecimal()) # True
print(num_str.isdigit()) # True
print(num_str.isnumeric()) # True
nu... |
# By Python para zumbi - Profº Fernando Masanori
# 5) Solicite o preço de uma mercadoria e o percentual de desconto.
# Exiba o valor do desconto e o preço a pagar.
preco = float(input("Digite o preço da mercadoria:\n"))
desconto = float(input("Digite o percentual de desconto:\n"))
preco_final = preco - (preco * desco... |
import readData
# Sets the size of the square features.
DIM = 3
# Method for getting features where each feature is the number of pixels in
# each square of size DIM x DIM. Contains additional loops for if the size of
# the image is not divisible by the DIM. Used for face classification
def getFeatures(data, width, h... |
#LZW encoder
#Name: Mounika Rayana
#Student ID: 801168148
#importing the required libraries
import sys
import struct
from struct import *
input_file = sys.argv[1] #taking the input file from the command line
file1 = open(input_file,"r") #opening the file
input_string = f... |
# Easy Collection
# Array
# Language : Python3
# Question: https://leetcode.com/explore/featured/card/top-interview-questions-easy/92/array/727/
# Remove duplicates from sorted array
# Statement: Given a sorted array nums, remove the duplicates in-place such that each element appear only once and return the new length.... |
import random
coin=int(random.randint(25,100))
print("coin=",coin)
o=int(input("How many players will play?:"))
z=coin
while True:
if o==2:
if z==coin:
x=int(input("player1:"))
if(x<coin and x>0):
coin=coin-x
print("coin=",coin)
... |
class student:
def __init__(self,first_name,last_name,age):
self.name = first_name +" " +last_name
self.age = age
s1 = student("sanjay","dangwal",19)
print(s1.name) |
def func(input_list,**kwargs):
if kwargs.get("reverse_str"):
return [name[::-1].title() for name in input_list]
else:
return [name.title() for name in input_list]
#return [name[::-1] for name in input_list]
string=['sanjay','vijay']
print(func(string))
print(func(string,reverse_str=True)) |
def even_num(n):
for i in range(n+1):
if(i%2==0):
yield i
for i in even_num(10):
print(i) |
with open("file_ex.txt","r") as fr:
with open("file_result.txt","w") as fw:
for line in fr.readlines():
name,salary = line.split(",")
fw.write(f"{name}'s salary is {salary}") |
def multiply(num,*args):
num_list=list(args)
for i in range(len(num_list)):
num_list[i]=num_list[i]*num
return tuple(num_list)
print(multiply(4,2,4,5,1,3)) |
def reverse(l):
reverse_list =[]
for i in range(len(l)):
reverse_list.append(l.pop())
#print(l)
return reverse_list
name = input("enter a list : ").split(",")
#print(name)
for j in reverse(name):
print(j, end =",")
|
square = []
for i in range(1,11):
square.append(i**2)
print(square)
square2 = [i**2 for i in range(1,11)]
print(square2)
negative = []
for i in range(1,11):
negative.append(-i)
print(negative)
negative2 = [-i for i in range(1,11)]
print(negative2)
names = ["sanjay","deepak","riya"]
first_latter = []
for name... |
char_name = " Akshay "
print(char_name+" is a good boy")
uName =input("Your Name Please: ")
uName2=input("Your last Name Please:")
print(uName +" "+ uName2)
from student import student
student1=Student("Jim","Bus",3.8,True) |
from tkinter import *
from tkinter import messagebox
def qualification():
amount = entryamount.get()
try:
amount = int(amount)
if amount > 5000:
messagebox.showinfo("STATUS FEEDBACK","Congratulation. You Qualify to go to Malaysia")
else:
messagebox.showinfo("STA... |
#!/usr/bin/ env python3
""" Python script to handle the clients side."""
import socket
import os
import time
from sys import exc_info, platform
def format_file_size(size):
"""
Formatted size of the file on Bytes, KB, MB or GB.
:param size: the size of the file in Bytes.
:return: Formatted ... |
#Universidad del Valle
#Curso: Tecnologías Geomáticas
#Docente: Ing. Carlos Quiroga
#Hecho por:
#Jose Miguel Vera Saavedra y Vanessa Hernandez Bedoya
import serial #se importa la libreria serial
import time #Se importa la libreria time
import pandas as pd #Se importa la libreria pandas
ser = serial.Serial("COM3",9600... |
'''
Write a Python program that converts miles to kilometers. Specifically, the program should:
1.)Asks the user to enter the number of miles
2.)Convert the number of miles to kilometers and store it in a variable named kilo
3.)Print the message “Your value expressed in kilometers is: “ followed by the value kilo
'''
... |
#Mulitiplication Table
a=int(input('Enter a number: '))
for i in range(1, 11):
print('{}*{}={}' .format(a,i,a*i))
print('********************')
|
#triangle
#1
for i in range(0,10):
for j in range(0,i+1):
print('* ', end='')
print(end='\n')
#2
for i in range(0,10):
print('* '*i)
#3
n=11
for i in range(0,11):
for j in range(0,n):
print(end=' ')
n=n-1
for k in range(0,i):
print(end='* ')
print(end='\n... |
from collections import Counter
def get_group_count(group):
group_count = 0
letter_counts = Counter(group)
for letter in letter_counts:
if letter_counts[letter] == group_len:
group_count += 1
return group_count
with open('input.txt') as inp:
group = []
groups_anyone = []
... |
running_sum = 0
sums = []
with open('input.txt', 'r') as _file:
for line in _file:
if line == "\n":
sums.append(running_sum)
running_sum = 0
else:
running_sum += int(line)
sums.append(running_sum)
# part 1
print(max(sums))
# part 2
print(sum(sorted(sums, reverse... |
from tkinter import *
from tkinter import ttk
root = Tk()
notebook = ttk.Notebook(root)
notebook.pack() # pack is geometry manager
frame1 = ttk.Frame(notebook)
frame2 = ttk.Frame(notebook)
notebook.add(frame1, text='tab1')
notebook.add(frame2, text='tab2')
# when call the tab method, it will add tab on the right
ttk... |
from tkinter import *
root = Tk()
canvas = Canvas(root)
canvas.pack()
canvas.config(width=640, height=480)
line = canvas.create_line(160, 360, 480, 120, fill='blue', width=5)
# starting x, y. ending x, y pixels
canvas.itemconfigure(line, fill='green')
# change the item 'line' in canvas
print(canvas.coords(line))
# ge... |
#Opens a file. You can now look at each line in the file individually with a statement like "for line in f:
f = open("dictionary.txt","r")
print("Can your password survive a dictionary attack?")
my_list = []
for line in f:
my_list.append(line.strip())
#Take input from the keyboard, storing in the variable test... |
# Now we step into randomness
"""
|_|_|_|_|_
|_|_|_|_|_
|_|_|_|_|_
|
starting point
If we consider the above figure, we can see the grid and a starting point.
let us consider the starting point as home. Now given a number of blocks, we must be able to list some random
walks which if taken the distance will be less t... |
# Here we will learn about two functions
"""
sort() and sorted()
sort() : changes the existing list
cannot be used on a tuple as tuple is immutable
sorted(): creates a new list out of a tuple or a list or a string
what ever may be the input, the output is list """
list1 = ["orange","apple","berry","green a... |
# To read/ write data into csv..
# lets try without csv module.
path ="NewGoogle Stock Market Data.csv"
file = open(path)
data = [line for line in file]
print(data[0])
print(data[1])
line = data[1]
print(type(line[0])) # here every value is in the form of a string
print(line[0]) # still not comma seperated
# lets ... |
# functions
"""THIS IS A DOC STRING... MAINLY USED FOR DOCUMENTATION"""
def Area():
print("area")
Area()
# Can have aruguments and return types
import math
def volume(r):
return (4/3 * math.pi* pow(r,3))
print(volume(3))
# we can have any number of arguments. While calling we must
# make sure that we pas... |
def is_prime (n):
count = 0
for i in range (1, n+1):
if n%i==0:
count += 1
if count == 2:
return True
return False
n = int (input())
print(is_prime(n))
|
#Import Libraries
import os #Gives Python access to Linux commands
import time #Proves time related commands
import RPi.GPIO as GPIO #Gives Python access to the GPIO pins
GPIO.setmode(GPIO.BCM) #Set the GPIO pin naming mode
GPIO.setwarnings(False) #Supress warnings
#Set pin 25 as an i... |
from PIL import Image
from gcbmanimation.util.tempfile import TempFileManager
Image.MAX_IMAGE_PIXELS = None
class Frame:
'''
Represents a presentation-format image that can be included in an animation.
A frame usually applies to a particular year and points to an image file on disk.
Arguments:
'ye... |
#！-*- coding:utf-8 -*-
shoping = [
('苹果手机',6400),
('笔记本电脑',8600),
('手表',3000),
('机票',5000),
('汽车',9990),
('书',400)
]
shoping1 = [] #存放已买商品
salary = input("输入你的工资>:")
if salary.isdigit():#判断是不是整数
salary = int(salary)
while True:
for index,item in enumerate(shopin... |
"""
Fama-French-Three-Factor-Model Implementation
----------------------------------------------------------------------------------------------------------------
Here is the workflow of the model realization in this file:
1) Get data (ticker pool, S&P500, risk free rate, close price, market cap and book-to-market ... |
'''
This is an example of fitting noisy data.
This program will produce accurate restricted polynomial fitting for the data inputted. A plot of the fit and data will be produced as well.
The main limitation of this algorithm is that it does not work for data distributions with significant gaps on the x axis betwe... |
""" Class Basics
class Ajith:
x=10
a1=Ajith()
print(a1.x)
"""
""" Class with Self
class Ajith:
name="ajith"
def __init__(self, name, age):
self.name=name
self.age=age
Ak=Ajith("kumar",32)
print(Ak.name)
""" |
# La PEP 572 introduce le Assignment Expression
# Le Assignment Expressions sono indentificate dall'operatore Walrus (Tricheco) Operator :=
class AssignmentExpression:
pass
if __name__ == "__main__":
def somma(a, b):
return a+b
# if x = somma(3,5) > 6 -> senza operatore Walrus andrebbe in errore
... |
'''
BinaryTree structure is copied from https://github.com/heineman/python-algorithms
'''
class BinaryNode:
def __init__(self, value):
self.value = value
self.left = None
self.right = None
def add(self, val):
if val <= self.value:
self.left = self.addToSubTree(self.l... |
# -*- coding: utf-8 -*-
import re
def word_count(sentence):
counted_words = dict()
clean_sentence = re.sub(r'[^а-яА-ЯA-Za-z0-9]', ' ', sentence)
words = clean_sentence.lower().split()
for word in words:
counted_words[word.decode('utf-8', errors='ignore')] = words.count(word)
return count... |
NORTH, EAST, SOUTH, WEST = 0, 1, 2, 3
X_MOVES = [0, 1, 0, -1]
Y_MOVES = [1, 0, -1, 0]
class Robot():
def __init__(self, bearing=NORTH, x_cor=0, y_cor=0):
self.bearing = bearing
self.x_cor = x_cor
self.y_cor = y_cor
self.movements = {
'A': self.advance,
'R': ... |
# Given a string of brackets, determine if the string is balanced
from stack import Stack
def is_balanced(code_string):
opening_brackets = ["{","[","(","<"]
closing_brackets = ["}","]",")",">"]
bracket_matches ={"}":"{","]":"[",")":"(",">":"<"}
s = Stack()
brackets_extracted = []
for letter ... |
import threading
import time
import random
# Custom thread object
class custThread(threading.Thread):
def __init__(self,name):
threading.Thread.__init__(self)
self.name = name
def run(self):
getTime(self.name)
print("Thread ",self.name," Execution Ends ")
def getTime(name... |
for i in [0,1,2,3,4,5]:
print(i**2)
for i in range(6): # createsan iterator over that range producing it one at a time
print(i**2)
print("\n\n Looping over list : The right way :")
colors = ['red','blue','green','yellow']
for i in range(len(colors)): # don't do this
print(colors[i])
for color ... |
class Stack:
def __init__(self):
self.stack = []
def push(self,val):
self.stack.append(val)
def pop(self):
if self.isempty():
return None
else:
self.stack.pop()
def print_stack(self):
print(self.stack)
def size(self):
retur... |
import random
string = "a quick brown fox jumps over the lazy dog"
string = list(string)
jumbled = ""
print(string)
for letter in range(0,len(string)-1):
jumbled += string.pop(random.randint(0,len(string)-1))
print(string)
print(jumbled)
|
print("\nWith list comprehension")
my_nums = [ x*x for x in [1,2,3,4,5]]
print(my_nums)
print("\nWith GENERATORS - replace square brackets with parentheses")
my_nums = ( x*x for x in [1,2,3,4,5] )
print(my_nums)
# use generator only once , below 2nd print wont work after 1st runs
for num in my_nums:
pr... |
#! /usr/bin/env python3
# load required modules
from Bio import SeqIO
import argparse
# create an ArgumentParser object ('parser') that will hold all the info necessary to parse the command line
parser = argparse.ArgumentParser(description="This script filters out user-specified sequence(s) from a FASTA file")
# use... |
'''
Question 2.1 Skeleton Code
Here you should implement and evaluate the k-NN classifier.
'''
import data
import numpy as np
# Import pyplot - plt.imshow is useful!
import matplotlib.pyplot as plt
import math
from collections import Counter
from sklearn.model_selection import KFold
class KNearestNeigh... |
#Nursima Donuk and William Lu
import random
sentence = 'Yesterday, <PERSON> and I went to the park. On our way to the <ADJECTIVE> park, <PERSON> and I saw a <ADJECTIVE> <NOUN> on a <NOUN> .'
PERSON = ['my professor', 'Sam', 'my friend', 'Alex', 'my dog', 'my mother']
ADJECTIVE =['pink', 'big', 'fast', 'gross', 'flat']... |
def countApplesAndOranges(s,t,a,b,apples,oranges):
new_apples = []
new_oranges = []
for positiona in apples:
new_pa = a + positiona
new_apples.append(new_pa)
for positiono in oranges:
new_po = b + positiono
new_oranges.append(new_po)
apple_count = 0
orange_count ... |
"""
This code solves for Question 2
"""
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
from scipy.stats import lognorm
# read the data
print("##################### Loading the raw data... #######################")
green_data = pd.read_csv("green_tripdata_2015-09.csv")
print('Green Taxi data ... |
def load_map(add):
f = open(add, "r")
line=[]
for x in f:
line.append(x)
return (line)
# pacman_map = load_map("map/level1.amap")
# for line in pacman_map:
# print (line)
def simplify_map(array):
new_array= []
for i in array:
l_sym=['═', '║', '╔', '╗', '╚', '╝']
for... |
from tensorflow.keras.models import Sequential
from tensorflow.keras.layers import Dense
import numpy as np
import matplotlib.pyplot as plt
#1. 데이터
x = np.array([1,2,3,4,5,6,7,8,9,10])
y = np.array([1,2,3,4,5,6,7,8,9,10])
x_train = x[:7]
y_train = y[:7]
x_test = x[7:]
y_test = y[7:]
[print(i) for i in x_train]
print... |
def get_county_data(file_name, num_rows=None):
""" Retrieves a single data-file from the King County Assessors webstie.
Retrieves the single data-file from the King County Assessors webstie
defined by file_name using the Pandas read_csv() function
Args:
file_name: The name of the file t... |
#Lesson 1
#Creating and instantiating classes and instances of those classes.
#Example of a class in Python.
class Employee:
# This is the constructor method __init__ which initializes all attributes of a object.
def __init__(self, first, last, pay):
self.first = first
self.last = last
... |
def pythag_trip():
r = 'y'
while r != 'n':
try:
s1 = int(input("Enter a side: "))
s2 = int(input("Enter a side: "))
s3 = int(input("Enter a side: "))
l = [s1, s2, s3]
max_l = max(l)
#print(s1**2 + s2**2) == (max_l**2)
if... |
def largest_Palindrome():
l1 = []
l2 = []
l3 = []
l4 = []
l1 = [x for x in range(100, 1000)]
l2 = l1
for x in l1:
for y in l2:
l3.append(x*y)
for x in l3:
if str(x)[::-1] == str(x):
l4.append(x)
return max(l4)
x = largest_Palindro... |
story = '''_______! he said ________ as he jumped into his convertible
______ and drove off with his ___________ wife.'''
print(story)
values = {'noun':'','verb':'','adjective':''}
values['noun'] = input("\nEnter a noun (Person, Place or Thing): ")
values['verb'] = input("\nEnter a verb (action): ")
values['ad... |
Python 3.7.2 (tags/v3.7.2:9a3ffc0492, Dec 23 2018, 22:20:52) [MSC v.1916 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license()" for more information.
>>> def square(x):
return x * x
>>> def my_map(func, arg_list):
result =[]
for i in arg_list:
result.append(func(i))
return result
>>> square... |
def ninety_nine_bottles():
lst = [x for x in range(0,100)]
lst.reverse()
for x in lst:
while x > 1:
print(str(x) + " bottles of beer on the wall " + str(x) + " bottles of beer, take one down pass it around, " + str(x-1) + " bottles of beer on the wall!")
print("\n")
... |
from urllib.request import urlopen
from urllib.parse import urljoin
from bs4 import BeautifulSoup # $ pip install beautifulsoup4
url = input('Enter - ')
for _ in range(18): # repeat 18 times
soup = BeautifulSoup(urlopen(url))
a = soup.find_all('a', href=True) # all <a href> links
if len(a) < 3: # ... |
''' fully credit to anthonywritescode'''
''' day19_x is n unefficient way to do this question'''
import itertools
import collections
import re
def day19_1():
with open('/Users/xinyue/Downloads/day19_1.txt','r') as file:
input_file = file.read().split('\n\n')
rules_dic = {}
for i in input_file[0].... |
import random
class Weapon:
def __init__(self):
self.weapon_name = ''
self.weapon_attack_power = 0
self.weapon_name_randomized()
self.attack_power()
def weapon_name_randomized (self):
weapon_names = ["axe", "sword", "polearm", "naginata", "Throwing star", "Spear", "Dagg... |
# 819. Most common word
"""
Given a string paragraph and a string array
of the banned words banned, r
eturn the most frequent word that is not banned.
It is guaranteed there is at least one word that is not banned,
and that the answer is unique.
The words in paragraph are case-insensitive and
the answer should be ret... |
# 알파벳 소문자로 이루어진 N개의 단어가 들어오면 아래와 같은 조건에 따라 정렬하는 프로그램을 작성하시오.
# 길이가 짧은 것부터
# 길이가 같으면 사전 순으로b
import sys
sys.stdin =open('1181_input.txt','r')
N = int(input())
words = []
for _ in range(N):
words.append(input())
words = list(set(words))
# 길이 순 정렬 / 2순위 : 사전 순 정렬
words = sorted(words,key= lambda x : [len(x),x]) ... |
# Given the root of a binary tree, return its maximum depth.
#
# A binary tree's maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.
# 깊이를 측정하는데에는 여러 방법이 있지만 먼저 BFS를 이용해서 풀어보겠다.
from collections import deque
# Definition for a binary tree node.
class TreeNod... |
class Solution:
def displayTable(self, orders: List[List[str]]) -> List[List[str]]:
res=[]
table={}
a=["Table"]
for i in orders:
if i[2] not in a:
a.append(i[2])
if i[0] not in table:
table
|
# Lesson10, Task3
# import own module
import numerical_methods as num
# set initial data
a = 0
b = 1
def f(_x):
return (3*(1 + _x**(4/3)))**(-1)
# calculate and print results
integral = num.trapeze(f, a, b, 6)
print("I = {} for n = 6".format(integral))
print () |
# LEsson6, Task4
# import own module
import matrix_operations as m_op
# import numpy module
import numpy as np
# set initial data
B = []
x0 = []
for i in range(20):
B.append([])
x0.append([1])
for j in range(20):
if i == j:
B[i].append(round(0.025 * (i+1),3))
elif j == i... |
#Lesson10, Task1
# change own method for particular task
def trapeze(_f, _v, _p, _m = 2000, _eps = 0.0001):
"""Finds numerically definite integral of function in the interval [_a, _b]
with precision _eps and returns the value of the integral"""
"""By default amount of nodes is 20"""
# variable for the... |
#program to find a meter conversion
#Get input from user
A=int(input(""))
def conversion(A):
B=A*1000
return B
def conversion2(A):
C=A*100000
return C
B=conversion(A)
C=conversion2(A)
print(B)
print(C)
|
#program to remove repeated string
S=input().split()
X=input()
i=S.count(X)
if(i>0):
c=S.index(X)
S.pop(c)
print(*S,end='')
else:
print(*S,end='')
|
#Program for converting celsius to farenheit
#Get input from user
A=float(input(""))
#convert it into fahrenheit
farh=(A*9/5)+32
#display the output
B=round(farh,2)
print(B)
|
#program to find multiple of 3
N=int(input(""))
l=[]
for i in range(1,4):
l.append(i*N)
print(*l,end='')
|
#Program to find factorial of a given number
#Get input from user
N=int(input(""))
#Initialize the value
fact=1
#Check the number is positive
def facto():
fact=1
if(N>0):
for i in range(1,N+1):
fact=fact*i
return fact
elif(N==0):
return 0
facto()
print(facto())
|
#password verification
import hashlib
user="Durga"
password="Durga23"
word=hashlib.sha256(password.encode()).hexdigest()
for i in range(1,6):
user1=input("Enter username")
password1=input("Enter password: ")
pass1=hashlib.sha256(password1.encode()).hexdigest()
if(user==user1):
if(pass1==word):
... |
#Program to print first and third character of string
#Get input from user
s=input()
#print two letter of string
print(s[0],end="")
print(s[2])
|
# coding=utf-8
# 使用时先导入
import calendar
# calendar：获取一年是日历字符串
# 参数
# w = 每个日期之间的间隔字符数
# l = 每周所占用的行数
# c = 每月之间 的间隔数
cal = calendar.calendar(2020)
print(cal)
cal = calendar.calendar(2020, l=0, c=5)
print(cal)
# isleap: 判断是否是闰年
isLeap = calendar.isleap(2020)
print(isLeap)
# leapdays: 获取指定年份之间的闰年的个数
print(calendar.... |
# coding=utf-8
def printFunc():
print("*" * 100)
return None
# 函数名可以当变量使用
def sayHello(name):
print("{0} 你好， 来一份牛排吗？".format(name))
sayHello("月月")
# 函数名当变量使用直接
yueyue = sayHello
yueyue("yueyue")
# 自己组装类 示例 1
class A():
pass
def say(self):
print("Saying......")
class B():
def say(self):
... |
# coding=utf-8
# 死锁案例
import threading
import time
lock_1 = threading.Lock()
lock_2 = threading.Lock()
# 先申请的锁后释放 原则
def func_1():
print("func_1 starting.....")
lock_1.acquire()
print("func_1, 申请了 lock1.......")
time.sleep(2)
print("func_1等待 lock2..........")
lock_2.acquire()
print("func_1... |
from random import randrange
guessed_letters = []
def choose_word():
with open('words.txt', 'r') as words_list:
num_lines = sum(1 for line in words_list)
random_line = randrange(1,num_lines)
words = open('words.txt')
lines = words.readlines()
word = lines[random_line]
return word[0:-1]
def initialize_... |
#Q.1- Name and handle the exception occured in the following program:
#a=3
#if a<4:
# a=a/(a-3)
# print(a)
# try:
# a=3
# if a<4:
# a=a/(a-3)
# print(a)
# except Exception:
# print("Hello")
# Q.2- Name and handle the exception occurred in the following program:
# l=[1,2,3]
# print(l[3])
# try:
# l=[1,2,... |
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