text stringlengths 37 1.41M |
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def is_integer(num):
if int(num) != num:
return False
else:
return True
def prime(x):
for factor in range(1, int(x/2), 2):
div = x / factor
if is_integer(div) and factor != 1:
print('It is composite; can be divided by %d'%factor)
return
print('I... |
import torch
class MyReLu(torch.autograd.Function):
"""
We can implement our own custom autograd Functions by subclassing
torch.autograd.Function and implementing the forward and backward passes
which operate on Tensors.
"""
@staticmethod
def forward(ctx, input):
"""
In th... |
# Ejemplo de fechas
#Es necesario importar las depencendias necesarias
from datetime import date
from datetime import datetime
#Día actual
today = date.today()
#Fecha actual
now = datetime.now()
print(today)
print(now)
#Date
print("El día actual es {}".format(today.day))
print("El mes actual es {}".format(today.mo... |
#!/usr/bin/env python3
"""Convolution module
"""
import numpy as np
def convolve_grayscale_padding(images, kernel, padding):
"""
performs a convolution on grayscale images with custom padding:
- images: numpy.ndarray with shape (m, h, w) containing
multiple grayscale images
- m: number of im... |
#!/usr/bin/env python3
"""
module to add matrices
"""
def add_matrices2D(mat1, mat2):
"""
Adds two matrices element-wise
"""
if len(mat1) != len(mat2):
return None
elif len(mat1[0]) != len(mat2[0]):
return None
add = []
total = []
for i in range(len(mat1)):
for... |
#!/usr/bin/env python3
"""train module
"""
import tensorflow.keras as K
def train_model(network, data, labels, batch_size,
epochs, validation_data=None,
early_stopping=False, patience=0,
verbose=True, shuffle=False):
"""
trains a model using mb gradient descent... |
#!/usr/bin/env python3
"""module that defines a single neuron
"""
import numpy as np
class Neuron:
"""define a single neuron performing binary classification
"""
def __init__(self, nx):
"""
- nx: number of input features to the neuron
Private instance attributes:
-__W: The... |
#!/usr/bin/env python3
"""foward prpagation over pooling
"""
import numpy as np
def pool_forward(A_prev, kernel_shape, stride=(1, 1), mode='max'):
"""
Performs forward propagation over a pooling layer of a neural network:
- A_prev_numpy.ndarray of shape (m, h_prev, w_prev, c_prev)
containing the outp... |
#!/usr/bin/env python3
"""
"""
import numpy as np
kmeans = __import__('1-kmeans').kmeans
variance = __import__('2-variance').variance
def optimum_k(X, kmin=1, kmax=None, iterations=1000):
"""
tests for the optimum number of clusters by variance:
- X: numpy.ndarray of shape (n, d) containing the data set
... |
#!/usr/bin/env python3
"""
Module to slice matrix on an axis
"""
def np_slice(matrix, axes={}):
"""
Slices a matrix along a specific axes
"""
slices = []
for axis in range(len(matrix.shape)):
slices.append(slice(*axes.get(axis, (None, None, None))))
return matrix[tuple(slices)]
|
#!/usr/bin/env python3
"""
module to integrate
"""
def poly_integral(poly, C=0):
"""
calculate the integral of a polynomial
"""
if not isinstance(poly, list) or not isinstance(C, int) or len(poly) == 0:
return None
if C % 1 == 0:
integral = [int(C)]
else:
integral = [C... |
#!/usr/bin/env python3
"""module learning rate dacay
"""
import numpy as np
def learning_rate_decay(alpha, decay_rate, global_step, decay_step):
"""
updates the learning rate using inverse time decay in numpy
- alpha: original learning rate
- decay_rate: weight used to determine the rate at which alp... |
#!/usr/bin/env python3
"""
module of Normal distribution
"""
class Normal:
"""
class that represents a normal distribution
"""
e = 2.7182818285
pi = 3.1415926536
def __init__(self, data=None, mean=0., stddev=1.):
"""initialize class
"""
self.mean = float(mean)
... |
#!/usr/bin/env python3
"""module learning decay ugraded
"""
import tensorflow as tf
def learning_rate_decay(alpha, decay_rate, global_step, decay_step):
"""
creates a learning rate decay operation in tf using inverse time decay
- alpha: original learning rate
- decay_rate: weight used to determine th... |
year=int(input('year:\n'))
month=int(input('mouth:\n'))
day=int(input('day:\n'))
months = (0,31,59,90,120,151,181,212,243,273,304,334)
if 0 < month <=12:
sum=months[month -1]
else:
print('date error')
i = sum + day
print('it is the',str(i)+'th day')
|
class Heap:
def __init__(self, array, N):
self._heap = array
self._max = N
self._descending_sorted = []
def get_heap(self):
return self._heap
def get_child_index(self,parent_index):
return (parent_index * 2 + 1), (parent_index * 2 + 2)
def get_parent_index(s... |
import random
import time
pierre = 1
papier = 2
ciseaux = 3
names = { pierre: "Pierre", papier: "Papier", ciseaux: "Ciseaux" }
rules = { pierre: ciseaux, papier: pierre, ciseaux: papier }
player_score = 0
computer_score = 0
def start():
print("Faisons une partie de Pierre, Papier, Ciseaux!")
... |
"""
Creating and populating the database
This file is used to :
- Create the MySQL tables "Categories", "Products" and "Favorites"
- Populate the "Categories" table
- Retrieve the API data
- Use the API Data to populate the "Products" table
"""
# Importing the Database objects provided by the ORM... |
from Crop_Class import *
class Carrot(Crop):
'''This is a child class of crop'''
#constructor
def __init__(self):
super().__init__(1, 6, 7)
self._type = "Carrot"
def Grow(self, light, water):
#Overwrites the grow function
if light >= self._light_need and wate... |
# -*- coding: utf-8 -*-
"""
Created on Wed Feb 3 17:53:11 2021
@author: dylan
"""
#connect 4:
#need to be able to input values
#matrix as the board
#1. input - range 0-6 col
#2. valid col? if T
#3 if T what is the next open row?
#4 place piece in that next open row, of selected col
#need to end game ... |
from threading import Thread
import time
def timer(name, delay, repeat):
print "Timer: " + "name" + "Started"
while repeat > 0:
time.sleep(delay)
print name + ":" + str(time.ctime(time.time()))
repeat -= 1
print "Timer: " + name + "Completed"
def main():
t1 = Thread(target=timer, args=("Timer",1,5))
t2... |
for x in range(1,100):
if((x%3==0) and (x%5)!=0):
print x,"-fuzzy"
elif((x%5==0) and (x%3)!=0):
print x,"-buzzy"
elif((x%3==0) and (x%5)==0):
print x,"-fuzzybuzzy"
else:
print(x) |
# work with condicional
if True:
print('Condicional was True')
#language ='Python'
language ='Java'
if language =='Python':
print('Linguage is Phiton')
elif language =='Java':
print('Linguage is Java')
elif language =='JavaScript':
print('Linguage is JavaScript')
else:
print ('No match')
#and = ... |
#work with loop
nums = [1,2,3,4,5]
for num in nums:
print(num)
for num in nums:
if num ==3:
print('Found!')
break
print(num)
for num in nums:
if num ==3:
print('Found!')
continue
print(num)
for num in nums:
for latter in 'abc' :
print(num,latter)
for i... |
# Implements unigram language model
# primary uses are 1) train with a file (passed as a path) to train probabilities of words
# and 2) evaluate against another file -- to evaluate perplexity scores (fitness of model)
from config import UNK_, STOP_, pad_sentence, UNK_THRESHOLD, MAX_UNKS
class Unigrams:
def __init... |
import numpy as np
from random import random
# save activations and derivatives
# implement backpropagation
# implement gradient descent
# implement a train method that uses both
# train our network with some dummy dataset
class MLP:
"""A class of a MLP for an ANN"""
def __init__(self, num_inputs=3, hidden_... |
# May Trinh
# CMPS 4553 - Computational Methods
# This program searches through mycoplasma dna sequence and its reverse complement in genbank format and finds all open reading frames (ORFs) with start
# codon ATG and stop codon TAA, TAG , TGA. It only print genes that has more than 1000 nucleotides. Additionally, it ... |
from question2 import CoPrimePairs
from collections import defaultdict
class Old:
# to understandold solution!
def coPrimes(n):
""" returns lists of all coprimes for 1 to n """
choices = defaultdict(list)
for pair in CoPrimePairs[n]:
choices[pair[0]].append(pair[1])
... |
"""
href: https://www.testdome.com/questions/25970
Write a function that provides change directory (cd) function for an abstract file system.
Notes:
Root path is '/'.
Path separator is '/'.
Parent directory is addressable as '..'.
Directory names consist only of English alphabet letters (A-Z and a-z)... |
"""
Smallest multiple
Problem 5
2520 is the smallest number that can be divided by each of the numbers from
1 to 10 without any remainder.
What is the smallest positive number that is evenly divisible by all of the
numbers from 1 to 20?
"""
#### Brute force method
def isDivisable(xNum, yList):
for y in yList:
... |
import re
import numpy as np
from pprint import pprint
"""
Permutations
Functions for finding rotational permtuations.
This scipt supports countcycles.py
by finding all rotational permutations
of a given move sequence to help eliminate
duplicates.
"""
def main():
captains, seq2captains = algorithm_m_clean(2)
... |
first=1000
second=200
third=300
fourth=400
# to find the biggest number out of four(they are not equal)
first > second, first > third, first>fourth, 'first is biggest'
second > third, second > fourth, 'second is biggest'
third > fourth, 'third is biggest'
'fourth is biggest'
if (first > second) and (first >... |
# Qual o total de voos internacionais quue partiram do aeroporto de Logan no ano de 2014
calendario = ['Jan', 'Fev', 'Mar', 'Abr', 'Mai', 'Jun', 'Jul', 'Ago', 'Set', 'Out', 'Nov', 'Dez']
with open("economic-indicators.csv", "r") as boston:
total = 0
for linha in boston.readlines()[1:-1]:
if 2014 == int... |
from tkinter import *
# ---------------------------- PASSWORD GENERATOR ------------------------------- #
# ---------------------------- SAVE PASSWORD ------------------------------- #
# ---------------------------- UI SETUP ------------------------------- #
window = Tk()
window.title("Password Manager")
window.conf... |
from datetime import date
from datetime import time
from datetime import datetime
def main():
today = datetime.today()
print("Today's date is", today)
print("Today's date by date, month, year", today.day, today.month, today.year)
days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "... |
# Let's check the first if and else condition
x = 10
y = 20
z = 30
if x > y:
print(x + " is greater than " +y)
# this line is not executing that why it is not giving error.
# Otherwise it gives this error TypeError: unsupported operand type(s) for +: 'int' and 'str'
else: pass # this will pass without a... |
# If he walks from A to B and then from B to A whit the same tempo, he has to walk 10 miles
... timeAB=2*495+3*432
>>> timeAB
2286
>>> timeBA=timeAB
>>> timeBA
2286
>>> totaltimesec=timeAB+timeBA
>>> totaltimesec
4572
>>> totaltimemin=totaltimesec/60
>>> totaltimemin
76
# He will be at home after 76min (8:08)
#If he... |
def gcd(a, b):
if b == 0:
return a
else:
r = a % b
return gcd(b, r)
gcd(6, 8)
|
def divisores(num):
try:
if num < 0:
raise ValueError("Ingrese un número positivo")
divisor =[i for i in range(1,num+1) if num % i == 0]
return divisor
except ValueError as e:
print(e)
return False
def run():
num = input("Ingrese un número: ")
assert ... |
x=int(input("enter anumber"))
y=int(input("enter another number"))
z=int(input("enter third number"))
print(x,y,z)
|
def serialize(words):
return "".join(chr(len(word)) + word for word in words)
def deserialize(words):
if not words:
return []
idx = ord(words[0])+1
return [words[1:idx]] + deserialize(words[idx:])
serialized = serialize(["test", "word", "three", "hello", "world"])
print(serialized)
deserialized = deserialize(se... |
import math
def isComposite(n):
"""Straight loop."""
for x in range(2, int(math.sqrt(n)) + 1):
if n % x == 0:
return x
return False
_PrimeList = [2]
def isCompPL(n):
"""Recursive version."""
for x in _PrimeList:
if n % x == 0:
if n == x:
ret... |
def find_missing(numbers):
minimum = 1
length = len(numbers)
i = 0
while i < length:
idx = numbers[i] - minimum
if idx < length:
if numbers[i] - minimum == i:
i += 1
else:
numbers[idx], numbers[i] = numbers[i], numbers[idx]
... |
size = 16
def printMatrix(matrix):
for row in matrix:
print(row)
"""
matrix = []
for i in range(size):
matrix.append([(i, x) for x in range(size)])
printMatrix(matrix)
print("========================")
"""
def shiftMatrixHoriz(matrix):
newMatrix = []
for i in range(len(matrix)//2):
#newMatrix.append([val fo... |
import numpy as np
def winnow_fit(xs, ys):
# Implements the winnow algorithm as given in the coursework.
n = xs.shape[1]
w = np.ones(n, dtype=np.float64)
for i in range(ys.size):
x = xs[i]
y = ys[i]
y_hat = 0 if x @ w < n else 1
# Update weights if prediction is wrong.
... |
def Selectionsort(vetor):
for i in range(0, len(vetor)):
menor = i
for direita in range(i + 1, len(vetor)):
if vetor[direita] < vetor[i]:
menor = direita
vetor[i], vetor[menor] = vetor[menor], vetor[i] |
#!/usr/bin/env python
""" Assignment 1, Exercise 3, INF1340, Fall, 2015. Troubleshooting Car Issues.
This module contains one function diagnose_car(). It is an expert system to
interactive diagnose car issues.
"""
__author__ = 'Susan Sim'
__email__ = "ses@drsusansim.org"
__copyright__ = "2015 Susan Sim"
__license__... |
num1=int(input("Introduce un numero: "))
num2=int(input("Introduce un número mayor que: " + str(num1) + ": "))
while num2 > num1:
num1 = num2
num2 = int(input("introduce un numero mayor que: " + str(num1) + ": "))
print()
print (num2, "no es mayor que", str (num1)) |
year_of_birth=int(input("Date of birth: "))
current_year=int(input("Actual Date: "))
if year_of_birth==current_year:
print("You were born this very year!")
elif year_of_birth==current_year-1:
print("You are "+ str((year_of_birth-current_year)*-1) + " year old!")
elif year_of_birth<=current_year:
... |
#Write a function called write_movie_info. write_movie_info
#will take as input two parameters: a string and a
#dictionary.
#
#The string will represent the filename to which to write.
#
#The keys in the dictionary will be strings representing
#movie titles. The values in the dictionary will be lists
#of string... |
#APA citation style cites author names like this:
#
# Last, F., Joyner, D., & Burdell, G.
#
#Note the following:
#
# - Each individual name is listed as the last name, then a
# comma, then the first initial, then a period.
# - The names are separated by commas, including the last
# two.
# - There is also... |
#Imagine you're playing a game in which every action you
#take grants you some number of experience points. There is
#an item called a Lucky Egg that, when used, doubles the
#number of experience points you earn. The company behind
#the game also runs occasional events where they increase
#how many experience poin... |
x = 2
for i in range(2, 12, 2):
print(x)
x += 2
print('Goodbye!') |
#Write a function called num_factors. num_factors should
#have one parameter, an integer. num_factors should count
#how many factors the number has and return that count as
#an integer
#
#A number is a factor of another number if it divides
#evenly into that number. For example, 3 is a factor of 6,
#but 4 is not... |
class School():
def __init__(self,schoolName,stdCount,tchCount,employee,schoolType,classCount):
self.schoolName=schoolName
self.stdCount=stdCount
self.tchCount=tchCount
self.employee=employee
self.schoolType=schoolType
self.classCount=classCount
school1 = School("Afyo... |
database = [
{"name":"Sakshi", "acc":123456, "ph":9008001001, "pin":6749, "balance":7800} ,
{"name":"Sarah", "acc":234567, "ph":9008001002, "pin":5903, "balance":6500} ,
{"name":"John", "acc":345678, "ph":9008001003, "pin":7832, "balance":9000} ,
{"name":"Nikki", "acc":456789, "ph":9008001004, "pin":4880, "balance":550... |
n = int(input('enter rows:'))
for i in range(n+1, 1, -1):
for j in range(1, i):
print(f'{j}', end=" ")
print("* "*(n+1-i) + "* "*(n-i))
|
cislo = int(input("Zadej číslo"))
if cislo == 0:
print("Je to moc jednoduché")
print(cislo, "+ 3", cislo + 3) |
from turtle import forward, left, right, shape, exitonclick
shape = 'turtle'
delka = 50
uhel = 60
for y in range(6):
for i in range(6):
forward(delka)
left(uhel)
forward(delka)
right(uhel)
exitonclick() |
from typing import Dict
def gc_content(sequence: str) -> float:
if any(nucleotide not in "atgc" for nucleotide in sequence):
raise AttributeError
nucleotides: Dict[str, int] = {nucleotide: sequence.count(nucleotide) for nucleotide in "atgc"}
gc_percentage: float = (nucleotides["g"] + nucleotides... |
def st():
stscore = 0
#3rd quest for the user
print("\n1: Timer\n2: Ton\n3: Time\n4: Toh")
Quest3 = input("\nWhich of the above statements do i need, to create a timer for my program?\n")
stscore = 0
while Quest3 != '2':
print("\nYou disappoint me, Thanks for the points!\n")
Quest3 =... |
def gcd(a,b):
if (b==0):
return a
return gcd(b, a%b)
# Example Test Run
# a=8
# b=4
# print(gcd(a,b))
# output: 4 |
import random
print('\n\t\t\tЦе гра "Відгадай число:)" !!! ')
number = random.randint(1,100)
guest = int(input('\nЯ загадав число від 1 до 100, давай спробуй вгадай:'))
popitka = 1
while guest != number:
if guest>number:
print("Моє число менше :(")
else:
print("Моє число більше :)")
guest ... |
'''
This file defines the Assertion class. Assertions represent
conceptual knowledge.
'''
from SimpleRealizer import realize_brain_assertion
import json
class Assertion(object):
def __init__(self, attributes = {}):
for k, v in attributes.items():
setattr(self,k,v)
def __eq__(self, other):
if type(other) is... |
def pyTriples(a):
return([(m**2-n**2,2*m*n,m**2+n**2) for m in range(1,a) for n in range(1,a) if 2*m*n > 0 if m**2-n**2 > 0 if m**2+n**2 > 0])
def quickSort(arr):
if arr == []:
return []
pivot = arr[0]
lower = quickSort([x for x in arr[1:] if x < pivot])
upper = quickSort([x for x in arr[1:]... |
#! /usr/bin/env python3
# -*- encoding: utf-8; py-indent-offset: 2 -*-
import sys
print("Polyalphabetic substitution cypher")
# asking for a key
key=input(" Specify (string, private) key: ")
# controlling key validity
if len(key)<1:
sys.stderr.write(" ERROR key should not be empty\n")
sys.exit(1)
# generating ... |
number = int(input())
count, current_number = 1, 1
for i in range(number):
if count > 0:
print(current_number, end=' ')
count -= 1
else:
count = current_number
current_number += 1
print(current_number, end=' ')
|
import numpy as np
def gradient_decent(x,y):
m_curr=0
b_curr=0
iteration=100
n = len(x)
learning_rate=0.001
for i in range(iteration):
y_predict=m_curr*x+b_curr
md=-(2/n)*sum(x*(y-y_predict))
bd=-(2/n)*sum(y-y_predict)
m_curr=m_curr - learning_rate*... |
#!/usr/bin/env python3
class Duck:
count = 0
def quack(self):
print('Quaaack!')
def walk(self):
print('Walks like a duck.')
def main():
donald = Duck()
donald.quack()
donald.walk()
donald.count = 9
print(f'donald count {donald.count}')
drill = Duck() # so Duck() ... |
#!/usr/bin/env python3
hungry = True
default = 23**3
tunary = 'this is default' if default else 'use special case'
x = 'Feed the bear now!' if hungry else 'Do not feed the bear.'
print(default)
|
# Use Python3
n = input()
a, b = map(int, n.split())
def GCD(a, b):
if b == 0:
return a
else:
r = a % b
return GCD(b, r)
print(GCD(a, b))
|
import numpy as np
import matplotlib.pyplot as plt
def sigmoid(x):
return 1 / (1 + np.e ** (-x))
def create_bias(x):
bias = np.zeros(len(x))
bias = np.random.normal(bias)
return bias
def create_weight(x):
weight = np.zeros_like(x)
weight = np.random.normal(weight)
return weight
def h... |
# Laços de repetiçãos
minha_condicao = True
while minha_condicao:
print("Esse para...")
print("1")
print("2")
minha_condicao -= True |
import numpy as np
import pandas as pd
import random
def generate_data(rn):
"""
Takes a roll number as input and generates random dataset
according to the required specifications.
:param rn: roll number of the student to ensure randomness
and uniqueness of data
"""
n = 93 + (r... |
# -*- coding:utf-8 -*-
class Solution:
def hasPath(self, matrix, rows, cols, path):
# write code here
visit = [0] * (rows * cols)
def helper(i, j, k):
idx = i * cols + j
if i < 0 or i >= rows or j < 0 or j >= cols or visit[idx] or matrix[idx] != path[k]:
... |
def parse_input():
"""
Parses the input and passes the parsed input correctly into the calculator function.
Returns
-------
float
The calculated float from passing in the parameters of the operands and the operation symbol to calculator.
"""
inputString = input("Enter equation: ")
... |
#!/usr/bin/env python
# -*- coding: utf-8 -*-
""" Calculates the average number of coins you would need to generate amounts up to `up_to_amount`, using representative
baskets from `ons_data/baskets2.txt`. Also generates the average weight of these coins (actual weight, like in kilograms!)
if you provide the `weight... |
def feladat6(lista):
print("6. feladat:")
datum = "2004-11-21"
for i in range(1, len(lista)):
if lista[i][5] == datum:
print("\t"+lista[i][0] + " - " + lista[i][1] + " (" + lista[i][2] + ":" + lista[i][3] + ")") |
class Car:
def __init__(self, p=0, i=0, e=0, t=0):
self.paint = p
self.interior = i
self.engine = e
self.tires = t
def setCustom(self, pnt, ntrr, engn, trs):
self.paint = pnt
self.interior = ntrr
self.engine = engn
self.tires = trs
def getPai... |
def receipt(food, price):
print("{:.<15}{:.>15.2f}".format(food,price))
food1=input("Please enter item 1:")
price1=float(input("Please enter the price of item 1:"))
food2=input("Please enter item 2:")
price2=float(input("Please enter the price of item 2:"))
food3=input("Please enter item 3:")
price3=float(inpu... |
def printf(word, number):
print("{:<10},{:<10.2f}".format(word, number))
word="blah!"
word="blah!"
number=3456.8934
printf(word, number)
word="oh boy!"
number=454.67848304
printf(word, number)
|
def interest(amount):
amount="${:<10.2f}".format(amount/(years*12))
return(amount)
principle=float(input("Please enter your intial monetary value to be invested:"))
rate=float(input("Please enter the interest rate, as a decimal to be multiplied by 100%:"))
number=float(input("Please enter the number of time... |
def idcard(item1,item2):
print("*{:>15}{:>15} *".format(item1,item2))
item1=input("What organization are you affiliated with?")
item2=input("What years were you affiliated with said organization?")
item3=input("Enter your title:")
item4=input("Enter subject taught/duty:")
item5=input("Enter first name:")
item6=i... |
num1=float(input("Enter value 1:"))
num2=float(input("Enter value 2:"))
num3=float(input("Enter value 3:"))
def average():
global avg
avg=float("{:.5f}".format((num1+num2+num3)/3))
def prnt():
print("The average of",num1,num2,"and",num3,"is",avg)
average()
prnt()
|
"https://www.practicepython.org/exercise/2014/03/12/06-string-lists.html"
word = str(input("Put word:"))
a = []
b = []
for i in word:
a.append(i)
count = len(word)-1
for j in word:
b.append(word[count])
count -= 1
if a == b:
print("The word is palindrome:")
else:
print("The word is no... |
"https://www.practicepython.org/exercise/2015/11/01/25-guessing-game-two.html"
from random import randint
x= ""
a=0
b=100
z=1
while x != "correct":
y=randint(a,b)
print(y)
x = input("Answer: ")
if x == "Too high":
b = y+1
elif x == "Too low":
a = y-1
elif x == "... |
"https://www.practicepython.org/exercise/2015/11/26/27-tic-tac-toe-draw.html"
a=[[0,0,0],
[0,0,0],
[0,0,0]]
def decided(a):
sx = 0
for i in range(0,3):
ste=""
for j in range(0,3):
if a[i][j] == 0:
sx+=1
ste=ste+" "+str(a[i][j... |
with open("input.txt") as f:
lines = f.readlines()
valid_pass_count = 0
for line in lines:
splitted = line.split()
how_much = splitted[0].split("-")
letter = splitted[1][:1]
first_letter_check = splitted[2][int(how_much[0]) - 1]
second_letter_check = splitted[2][int(how_much[1]) - 1]
if... |
# -*- coding: utf-8 -*-
"""
Created on Thu Mar 1 20:20:37 2018
@author: user
"""
import pandas as pd
df = pd.read_csv('Ntu_Orders.csv')
data = df.groupby(by='DateId')['Quantity'].sum()
data = pd.DataFrame(data).sort_values(by='Quantity',ascending=False)
data.to_csv('example.csv')
|
from urllib import error
from weather import Weather
weather = Weather()
while True:
city = input('Enter city: ')
days = input('Enter days: ')
try:
weather_data = weather.get_weather(city)
except error.HTTPError:
print('Please, enter valid city')
continue
print(weather_data... |
f_name=input("Enter the first name:")
l_name=input("enter the last name:")
print(f_name[::-2],l_name[::-2]) |
""" Utilities
* General stable functions
* Transforming coordinates
* Computing rotations
* Performing spherical integrals
"""
import numpy
from scipy.integrate import dblquad
def cartesian_from_polar(phi, theta):
""" Embedded 3D unit vector from spherical polar coordinates.
Parameters
----------
p... |
from multiprocessing import Pool
import time
def fun(n):
time.sleep(1)
print("执行pool map事件")
return n*n
def main():
pool =Pool(4)
l = [1,2,4,5,6,7,8]
j = pool.map(fun,l)
print(j)
pool.close()
pool.join()
if __name__ == '__main__':
main() |
import threading
def value(a,b,l):
while True:
l.acquire()
if a != b:
print(('a = %d,b = %d')%(a,b))
l.release()
def main():
lock = threading.Lock()
a = b = 0
t = threading.Thread(target=value,args=(a,b,lock))
t.start()
while True:
with lock:
... |
"""#############################################
# All tasks should be solved using recursion
#############################################
Task 3
from typing import Optional
def mult(a: int, n: int) -> int:
This function works only with positive integers
mult(2, 4) == 8
True
mult(2, 0) == 0
Tru... |
"""Task 2
Implement a stack using a singly linked list."""
from node import Node
class Stack:
def __init__(self):
self.head = None
def isempty(self):
if self.head == None:
return True
else:
return False
def push(self, data):
if self.head == None:... |
"""#############################################
# All tasks should be solved using recursion
#############################################
Task 1
from typing import Optional
def to_power(x: Optional[int, float], exp: int) -> Optional[int, float]:
Returns x ^ exp
to_power(2, 3) == 8
True
to_power(3.... |
"""List comprehension exercise
Use a list comprehension to make a list containing tuples (i, j)
where `i` goes from 1 to 10 and `j` is corresponding to `i` squared."""
result = list(tuple(i for i in range(1, 11)), tuple(j for (j ** 2) in range(1, 11)))
|
"""Task 3
Fraction
Create a Fraction class, which will represent all basic arithmetic logic for fractions (+, -, /, *)
with appropriate checking and error handling
```
class Fraction:
pass
x = Fraction(1/2)
y = Fraction(1/4)
x + y == Fraction(3/4)
```"""
class Fraction:
def __init__(self, numerator: int... |
"""Task 5
def sum_of_digits(digit_string: str) -> int:
um_of_digits('26') == 8
True
sum_of_digits('test')
ValueError("input string must be digit string")
"""
def sum_of_digits(digit_string: str) -> int:
if digit_string == "":
return 0
else:
return int(digit_string... |
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