text stringlengths 37 1.41M |
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import json
import urllib
url = raw_input('Insert URL: ')
f = urllib.urlopen(url)
data = f.read()
data = json.loads(data)
comments = data['comments']
count = 0
for item in comments:
count += item['count']
print count
|
from lab04 import *
## Extra Lists, Dictionaries Questions ##
#########
# Lists #
#########
# Q12
def merge(lst1, lst2):
"""Merges two sorted lists.
>>> merge([1, 3, 5], [2, 4, 6])
[1, 2, 3, 4, 5, 6]
>>> merge([], [2, 4, 6])
[2, 4, 6]
>>> merge([1, 2, 3], [])
[1, 2, 3]
>>> merge([5, ... |
def isPhoneNumber(txt) :
if len(txt) !=12 :
return False
for i in range(0,3):
if not txt[i].isdecimal() :
return False
if txt[3]!='-':
return False
for i in range(4,7):
if not txt[i].isdecimal():
return False
if txt[7]!='-':
return Fals... |
def tree_max(t):
"""Return the max of a tree
>>> t = tree(1,
... [tree(3,
... [tree(4),
... tree(5),
... tree(6)]),
... tree(2)])
>>> tree_max(t)
6
>>> s = tree(11,
... [tree(32,
... ... |
import csv
def f1(predictions, gold):
"""
Calculates F1 score(a.k.a. DICE)
Args:
predictions: a list of predicted offsets
gold: a list of offsets serving as the ground truth
Returns:
a float score between 0 and 1
"""
if len(gold) == 0:
return 1 if ... |
import random, string
characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
password = ""
password_size = int(input("Enter the size of you're password : "))
for i in range(password_size):
num = random.randint(0, len(characters)-1)
password = password + characters[num]
print(... |
from threading import RLock
class PortLock(object):
""" A class used to provide separate read and write access in multithread environment.
Provides properties readLock and writeLock returning separate RLocks to allow specific access.
In addition provides same interface as threading.RLock. Using this inte... |
from random import random
def word2vec(vecmodel, word):
try:
return vecmodel[word]
except: # if the word is not in the word2vec database
'''
words are vectors?
nice, so exploit the operations defined on vector spaces:
sum of vectors and multipication by a scalar... |
__author__ = 'student'
from socket import socket
import logging
def server_port():
return 12345
encoding = 'UTF-8'
def binom(n,m):
b = 1
for i in range(0,m):
b = b * (n-i) // (i+1)
return b
if __name__ == "__main__":
logging.basicConfig(filename='example.log',level=logging.INFO)
... |
__author__ = 'student'
from socket import socket
def server_port():
return 12345
encoding = 'UTF-8'
def binom(n,m):
b = 1
for i in range(0,m):
b = b * (n-i) // (i+1)
return b
if __name__ == "__main__":
# setting up a listener socket
sock = socket() # this is how you create a ne... |
import random
def say(x):
n=[]
x=x.upper()
x=x.lstrip('!')
Xplode=False
nox=0
reroll=0
thrownout=[]
replaced=[]
if x.find('D') != -1 and x.find('X') == -1:
values=x.split('D')
elif x.find('D') != -1 and x.find('X') != -1:
x=x.rstrip('X')
values=x.split('... |
#!/usr/bin/env python3
while True:
a = input('Print a:\n')
b = input('Print b:\n')
try:
result = int(a)/int(b)
except ValueError:
print('Wrong type of variables')
except ZeroDivisionError:
print('Division by zero is prohibited')
else:
print(result)
brea... |
import pygame
from random import randrange
# pygame initialisation
pygame.init()
clock = pygame.time.Clock()
# create game window, set resolution and window caption
resolution = 800
window = pygame.display.set_mode((resolution, resolution))
pygame.display.set_caption("Snake")
# game elements variables
size = 50
snak... |
# db1.py
import sqlite3
#연결객체 리턴받기(임시로 메모리 작업)
#con = sqlite3.connect(":memory:")
#영구적으로 파일에 남기기
con = sqlite3.connect("c:\\work\\sample2.db")
#실제 구문을 실행한 커서 객체
cur = con.cursor()
#테이블 구조(스키마) 생성
cur.execute("create table PhoneBook (Name text, PhonNumber text);")
#1건을 입력
cur.execute("insert into PhoneBook values ('de... |
from rdflib import Graph, URIRef
from rdflib.namespace import RDF, RDFS, Namespace
def question_a():
uni = Namespace("http://www.mydomain.org/uni/")
# import rdf from
g = Graph()
g.parse("2\KRWEB3.rdf")
# locate and load Department
dep_name = URIRef("http://www.mydomain.org/uni/d... |
import numpy as np
Forward_Backward = [(1,0),(0,1),(-1,0),(0,-1)]
Diagonals = [(1,1),(-1,1),(1,-1),(-1,-1)]
class Piece:
def __init__(self, x, y):
self.x = None
self.y = None
def Check(x,y):
if x >= 0 and x < 8 and y >= 0 and y < 8:
return True
... |
class Solution:
@staticmethod
def intersect(nums1, nums2):
"""
:type nums1: List[int]
:type nums2: List[int]
:rtype: List[int]
"""
nums1_map = {}
res = []
for ele in nums1:
if ele in nums1_map:
nums1_map[ele] += 1
... |
class Solution:
res = []
used_flag = []
def generatePermutation(self, nums, index, p):
if index == len(nums):
Solution.res.append(list(p))
return
for i in range(len(nums)):
if not Solution.used_flag[i]:
Solution.used_flag[i] = True... |
class Solution:
def sortColors(self, nums):
"""
:type nums: List[int]
:rtype: void Do not return anything, modify nums in-place instead.
"""
# 采用计数排序的思想
count = [0, 0, 0] # 存放0，1，2这三个元素的频率
for ele in nums:
assert 0 <= ele <= 2
count[el... |
import pandas as pd
import numpy as np
class A:
def __init__(self, n):
self.n = n
class B(A):
def __init__(self, k):
self.k = k
def printing(self, a):
print(self.n)
l = B(4)
l.printing(3)
|
import tensorflow as tf
# Retrieving MNIST dataset
from tensorflow.examples.tutorials.mnist import input_data
mnist = input_data.read_data_sets('MNIST_data', one_hot=True)
session = tf.InteractiveSession()
# Each input has 784 pixels distributed by a 28 width x 28 height matrix
# The 'shape' argument defines the te... |
from ENCRYPTION import ENCRYPTION
for i in range(2):
Encrypter = ENCRYPTION()
print(Encrypter)
raw_msg = input("Enter a message to encrypt: ")
encrypted_msg = Encrypter.encrypt(raw_msg)
print("Encrypted message: " + encrypted_msg)
decrypted_msg = Encrypter.decrypt(encrypted_... |
# This A E-Mail Slicer
# Taking E-Mail Address From User
print("What Is Your E-Mail Address ?")
E_mail=input("Enter ").strip()
# Distancing User Name From E_Mail
user_name=E_mail[:E_mail.index("@")]
# Distancing Domain Name From E_Mail
domain_name=E_mail[E_mail.index("@")+1:]
output = "Your User Name Is " + user_nam... |
import heapq
class Edge:
def __init__(self, dst, weight):
self.dst, self.weight = dst, weight
def __lt__(self, e):
return self.weight > e.weight
class Graph:
def __init__(self, V):
self.V = V
self.E = [[] for _ in range(V)]
def add_edge(self, src, dst, weight):
... |
from copy import deepcopy
from functools import reduce
class Divisor:
def __init__(self, n):
""" make divisors list and prime factorization list of n
complexity: O(n^(1/2))
used in ProjectEuler No.12, yukicoder No.36
"""
assert n >= 1
number = n
if n... |
def calc_largest_rect_in_hist(heights):
heights.append(0)
stack = []
left = [0] * len(heights)
ans = 0
for i, height in enumerate(heights):
while stack and heights[stack[-1]] >= height:
idx = stack.pop()
ans = max(ans, (i - left[idx] - 1) * heights[idx])
left[... |
# -*- coding: utf-8 -*-
"""
Created on Tue Jul 24 13:36:34 2018
@author: ellie.cai
"""
#fibonacci solution 1
a=[0,1]
for i in range(2,20):
a.append(a[i-1]+a[i-2])
print(a)
def fab1(n):
a=[0,1]
for i in range(2,n+1):
a.append(a[i-1]+a[i-2])
return a[n]
print(fab1(20))
... |
#Sort the list using operator.itemgetter function
#mylist = [["john", 1, "a"], ["larry", 0, "b"]].
#Sort the list by second item 1 and 0.
from operator import itemgetter
mylist = [["john", 1, "a"], ["larry", 0, "b"],["jack", 4, "d"], ["murs", 3, "c"]]
print(sorted(mylist, key = itemgetter(1)))
|
#Python program to find sum of elements in list
def sumofelelments(a):
sum = 0
for i in a:
if type(i) == int:
sum = sum + i
print(sum)
l = [10,30,20,'a',10]
sumofelelments(l)
|
#Write a recursive function to compute x raised to the power of n.
def recursiveFunc(x,n):
if n!=0:
return x*recursiveFunc(x,n-1)
else:
return 1
while(1):
number = int(input('Enter the number '))
exponent = int(input('Enter exponential number '))
result = recursiveFunc(n... |
class Fila(object):
def __init__(self):
self.dados = []
def insere(self, elemento):
self.dados.append(elemento)
def retira(self):
return self.dados.pop(0)
def vazia(self):
return len(self.dados) == 0
class Pilha(object):
def __init__(self):
self.dados = []... |
class UCType(object):
'''
Class that represents a type in the uC language. Types
are declared as singleton instances of this type.
'''
def __init__(self, typename, binary_ops=set(), unary_ops=set(), rel_ops=set(), assign_ops=set()):
'''
You must implement yourself and figure out wh... |
import tkinter
import inspect
import Pieces
from Piece import Piece
class Board(object):
"the chessboard (principal class)"
def __init__(self):
"""super().__init__(win, width = width, height = height)
self.width = width
self.height = height"""
self.clear()
"""d... |
from Conta import Conta
class ContaBancaria(Conta):
def __init__(self, numero, agencia, saldo, tipoConta):
Conta.__init__(self, numero, agencia, saldo, tipoConta)
def mostrarSaldo(self):
print("Saldo conta bancaria: ", self.saldo)
def depositar(self, valor):
self.saldo += valor
... |
class Empregado:
def __init__(self, nome, sobrenome, salarioMensal):
self._nome = nome
self._sobrenome = sobrenome
self._salarioMensal = salarioMensal
self.aumentoSalario = 0
@property
def nome(self):
return self._nome
@nome.setter
def nome(self, nome):
... |
# import random
#
# print("Who will pay for this meal? ")
# names = input("Put all the names seperated by a comma and space: ")
# list_names = names.split(", ")
# #print(list_names)
# number_of_people = len(list_names) - 1
# #print(number_of_people)
# random_number = random.randint(0, number_of_people)
#
# print(f"{lis... |
import os
from art import auction_logo_hammer
continue_bidding = True
highest_value = 0
highest_name = ''
silent_auction_dict = {}
def clear():
return os.system('clear')
def find_highest_bidder(dict_auction):
for key in silent_auction_dict:
if silent_auction_dict[key] >= highest_value:
... |
'''A guessing game.
Who has the most followers on Social media. The user should guess between two people. If the user guessed correctly, continue game and add to score. If input is wrong, stop game. Show score so far.'''
from art import higher_lower_logo, higher_lower_vs
from game_data import data
import random
import... |
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
from sklearn import linear_model
from sklearn.metrics import r2_score
if __name__ == '__main__':
df = pd.read_csv("../resources/FuelConsumptionCo2.csv")
# Lets select some features to explore more.
cdf = df[['ENGINESIZE', 'CYLINDERS', ... |
from math import sqrt
from scipy.stats import kurtosis, skew
def average(lst):
return sum(lst) / len(lst)
def stdDev(lst):
sum1 = 0
mean = average(lst)
for a in lst:
sum1 += (a - mean) * (a - mean)
return sqrt(sum1 / len(lst))
def cov(lst1, lst2):
sumCov = 0
mean2 = average(lst... |
#!/usr/bin/env python
from sklearn.cluster import KMeans
from sklearn.decomposition import PCA
import numpy as np
from .._shared.helpers import *
def cluster(x, n_clusters=8, ndims=None):
"""
Aligns a list of arrays
This function takes a list of high dimensional arrays and 'hyperaligns' them
to a 'co... |
from pyspark.sql import SparkSession
import pandas as pd
spark = SparkSession \
.builder \
.appName("Twitter Data Analysis") \
.getOrCreate()
df = spark.read.json("importedtweetsdata.json")
df.createOrReplaceTempView("SmartPhones")
# 10 states with their Total Tweets Count in the United States... |
# -*- coding: utf-8 -*-
from sklearn.model_selection import train_test_split
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
from sklearn.linear_model import LinearRegression
df = pd.read_csv("dat.csv")
df
X= df.X.values.reshape(-1,1)
Y = df.Y.values
X_train, X_test, Y_train, Y_test = tra... |
#Topic:Correlation, Covariance,
#-----------------------------
#libraries
#The difference between variance, covariance, and correlation is:
#Variance is a measure of variability from the mean
#Covariance is a measure of relationship between the variability of 2 variables - covariance is scale dependent because it is ... |
#Topic: Statistics - Covariance
#-----------------------------
#Covariance provides the a measure of strength of
#correlation between two variable or more set of variables.
# The covariance matrix element Cij is the covariance of xi and xj.
#The element Cii is the variance of xi.
#If COV(xi, xj) = 0 then variables a... |
# -*- coding: utf-8 -*-
# Copyright (c) ©2019, Cardinal Operations and/or its affiliates. All rights reserved.
# CARDINAL OPERATIONS PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
# @author: songjie@shanshu.ai
# @date: 2019/10/28
import re
def is_number(str_number: str):
"""
判断字符串是否是数字(数字、小数、负... |
import random
def partition(a, left, right):
x = a[left]
j = left
for i in range(left + 1, right + 1):
if a[i] <= x:
j += 1
a[i], a[j] = a[j], a[i]
a[left], a[j] = a[j], a[left]
return j
def randomized_quick_sort(a, left, right):
if left >= right:
retur... |
import csv
from statistics import mean
# ------------------CONSTANTS
length = "length"
ProdCost = "ProdCost"
AlbumSales = "AlbumSales"
bandCol = 2
prod_cost_col = 3
album_sales_col = 4
# fileName = 'C:\\Users\\venkat\\Desktop\\ufa\\coursework\\week12\\Albums.csv'
# ------------------global variables
d = ... |
import numpy
def arclen(points):
"""Takes points is a list with vectors of the points in every dimension e.g. [xs, ys, zs]"""
p1 = numpy.array([x[:-1] for x in points])
p2 = numpy.array([x[1:] for x in points])
dist = numpy.sqrt(numpy.sum(numpy.power((p2 - p1), 2), axis=0))
arclen = [0] * len(dis... |
# Funções de validação de dados
from time import sleep
import os
from .drawMenu import *
# Validation lists
numbers = ['0','1','2','3','4','5','6','7','8','9']
specialCharacters = ['!','@','#','$','%','&','*','(',')','-','_','+','=',';','.','<','>',':','/','?','~','^',']','[','{','}','´','`','"','|','\\','\'','\"']
... |
class rect:
def __init__(self,leng,bre):
self.l=leng
self.b=bre
def area(self):
a=(self.l*self.b)
return a
def perimeter(self):
p=2*(self.l+self.b)
return p
a=int(input("Enter the length of rectangle 1:"))
b=int(input("Enter the breadth of rectangle 1:"))
c=int(input("Enter the length of rectangle... |
n=int(input("Enter the number of imputs:"))
l=[]
for i in range(0,n):
ele=int(input())
l.append(ele)
for i in range(0,n):
if l[i]>100:
l[i]="over"
print(l) |
s="Melon"
t="Water"
print("The original strings are:",s,'',t)
test=t[:1]+s[1:]
temp=s[:1]+t[1:]
new= test+' '+temp
print("New string is:",new ) |
from Numberjack import *
# N-Queens
# The N-Queens problem is the probelm of placing N queens on an N x N chess
# board such that no two queens are attacking each other. A queen is attacking
# another if it they are on the same row, same column, or same diagonal.
def get_model(N):
queens = [Variable(N) for i in... |
from Numberjack import *
# Job Shop Scheduling
# Given a set of N job of various sizes, the job shop scheduling problem is to
# schedule these on M machies such that the overall makespan is minimized. The
# makespan is the total length of the schedule.
###############################################
####### Clas... |
from Numberjack import *
# Magic Square Water Retention
# The goal of the Magic Square Water Retention problem is to retain the maximum
# amount of water in a N x N magic square.
def model_magic_square(N):
sum_val = N * (N * N + 1) / 2 # The magic number
square = Matrix(N, N, 1, N * N)
water = Matrix(... |
import psycopg2
print("\n Ingrese fecha de nacimiento\n")
dia=int(input("Día de nacimiento: "))
mes=int(input("Mes de nacimiento: "))
a=int(input("Año de nacimiento: "))
print("\n")
if 2021>a>1900:
edad=2021-a
if 12>=mes>=1:
if mes==1 or mes==3 or mes==3 or mes==5 or mes==7 or mes==8 or mes==10 or mes==... |
# Para mostrar un texto en la terminal:
print("_____________________________________________\n")
nom= input("Ingresa tu nombre: ")
edad=int(input("Ingresa tu edad: "))
money= float(input("Ingresa la cantidad de dinero que poseés en tu billetera, tranquilo, esto no es un asalto: "))
print(f"\n Que onda {nom}, tenés {e... |
# Operadores de asignación
"""
Primero crear la variable o variables con las que se van a trabajar.
a += b, Suma en asignació
b -= c, resta en asignación
c *= d, multiplicación en asignación
d /= e, divisi0243n en asignación
e **= f, potencia en asignación
f %= g, módulo en asignación
"... |
class Node:
def __init__(self, item):
self.item = item
self.next = None
class LinkedList:
def __init__(self):
self.head = None
self.tail = None
def insert(self, item):
# Insert into linked list without sorting (Each new element at end):
# new_node = Node(item)
# if self.head is None:
... |
# Code adapted from Corey Shafer
# Keep track of how many times a function was called
# Decorators most often used in logging
# Decorators are used a lot for working with third class libraries, routing
# Most confusing thing is keep track of all wrappers and whatnot
import time
from functools import wraps
def my_logg... |
"""
Methods - function that is associated with a class, rather than fxns
Object is an instance of a class
Classes are blueprints for objects to use
Tutorial adapted from: Corey Schafer
"""
import datetime
class Employee:
# Class variables are shared among all instances
raise_amount = 1.04
num_of_emps = 0
def __in... |
board=[' ' for i in range(10)] #Board is a list to hols the position from 1 to 9
#i.e all the positions in the board
#We are usinf 10 indices and avoiding the 0th index to identify the
#positions easily , also used to empty th... |
#!/usr/bin/env python
s = raw_input()
i = 0
while i < len(s) and (s[i] < "0" or "9" < s[i]):
i = i + 1
j = i
while j < len(s) and ("0" <= s[i] and s[i] <= "9"):
j = j + 1
if i < len(s):
print s[i], i |
#!/usr/bin/env python
i = 0
while i < len(a) - 1 and a[i][:len(s)] != s:
i += 1
if i < len(a) - 1:
print a[i]
|
#!/usr/bin/env python
n = input()
a = '*' + (n * '*') + '*'
b = '*' + ((n / 2) * ' ') + '*' + ((n / 2) * ' ') + '*' + '\n'
p = (n / 2) * b
print a
print (n / 2) * b
print a
print (n / 2) * b - 1
print b
print a
|
#!/usr/bin/env python
import sys
hv = sys.argv[1]
s = raw_input()
a = []
start = 0
end = 0
i = 0
while i < len(s):
end = start + 1
while end < len(s) and s[end] != ',':
end += 1
if start < len(s):
a.append(s[start:end])
start = end + 1
i += 1
i = 0
while i < len(hv) and hv[i] != '=':
i += 1
h = hv[:i]
v = h... |
#!/usr/bin/env python
import sys
n = 20
corner_x = int(sys.argv[1])
corner_y = int(sys.argv[2])
size = int(sys.argv[3])
plot = {}
i = 0
while i < size:
#Bottom side
key1 = str(corner_x + i) + "-" + str(corner_y)
plot[key1] = True
#Top side
key2 = str(corner_x + i) + "-" + str(corner_y + (size - 1))
... |
import math
def area(a,b,c):
s=(a+b+c)/2
return math.sqrt(s*(s-a)*(s-b)*(s-c))
def is_heronian(a,b,c):
if a != int(a):
return False
if b != int(b):
return False
if c != int(c):
return False
if area(a,b,c) != int(area(a,b,c)):
return False
else:... |
st = 'ACGT‘
len(st) # getting the length of a string
import random
random.choice('ACGT') # generating a random nucleotide
# now I'll make a random nucleotide string by concatenating random nucleotides
st = ''.join([random.choice('ACGT') for _ in xrange(40)])
st
st[1:3] # substring, starting at position 1 and extendi... |
import csv
person_tag = lambda fullname: fullname.split()[0].lower()
movie_tag = lambda title: "".join(title.split()).lower()
def movie_formatter(row):
title = row[0]
return f'CREATE ({movie_tag(title)}:Movie {{title: "{title}"}})'
def person_formatter(row):
fullname = row[0]
return f'CREATE ({pers... |
# most code gathered from https://wiki.python.org/moin/SimplePrograms
import random
import re
from time import localtime
from math import sqrt, exp
class BankAccount(object):
def __init__(self, initial_balance=0):
self.balance = initial_balance
def deposit(self, amount):
self.balance ... |
input_file_names = ["a_example.txt", "b_read_on.txt", "c_incunabula.txt", "d_tough_choices.txt", "e_so_many_books.txt", "f_libraries_of_the_world.txt"]
#for file_selector in range(0, 6):
for file_selector in range(len(input_file_names)):
#reading input file
f_in = open(input_file_names[file_selector], "r"... |
import unittest
from search import TypeAheadRadixTrie
class TestRadixTrie(unittest.TestCase):
def setUp(self):
self.trie = TypeAheadRadixTrie()
self.ids = ('u1', 't1')
def test_contains(self):
"""Stored words are `in` the Trie."""
self.trie.add('car', self.ids[0])
self... |
######################################################
## THIS FILE CONTAINS FUNCTION THAT ##
## CALCULATES STREAMING MEDIAN ##
######################################################
# MAX/MIN HEAP ALGO
def MaxMin_Heap_ALGO(max_heap, min_heap, num):
# step 1: add next item to on... |
'''
collections namedtuple
'''
from collections import namedtuple
Subscriber = namedtuple('Subscriber', ['addr', 'joined'])
sub = Subscriber('rulaimiao@163.com', '2018-01-09')
print(type(sub))
print(sub.addr)
print(sub.joined)
class Example():
def __init__(self, addr):
self.addr = addr
example1 ... |
def dedupe(items):
seen = set()
for item in items:
if item not in seen:
yield item
seen.add(item)
for i in dedupe([1,2,3,1,2,1,3,45,6,61,23,2,5,]):
print(i)
# key 可以威一个方法，可以制定前面items中的重复策略，
# 当item为一个对象，或者一个字典的时候，
# 可以指定一个lamda来操作去重策略，并保持去重后数据的排序的稳定
def dedupe(items, key=... |
import numpy as np
import matplotlib.pyplot as plt
class Beetle(object):
def __init__(self, beetlename, betak=3.0, betatheta=1, alphak=0.0001, alphatheta=1, container=0):
self.beetlename = beetlename
self.sex = np.random.binomial(1,femalefreq) #0=male, 1=female
self.container = container
... |
# Write a program that asks the user how many Fibonnaci numbers to generate and then generates them.
# Take this opportunity to think about how you can use functions.
# (Hint: The Fibonnaci seqence is a sequence of numbers where the next number in the sequence is the sum of the previous two numbers in the sequence. T... |
uah = int(input('Enter the amount of hryvnia (uah): '))
rate_usd = float(input('Enter the current dollar (usd) rate: '))
if rate_usd > 0:
usd = uah / rate_usd
print(round(usd, 2), 'dollars at the rate of', rate_usd, 'can be bought for', uah, 'hryvnas')
else:
print(rate_usd, 'Not valid usd rate') |
my_list = ['Red', 'Green', 'Blue', 'Black']
my_reverse_list = []
for i in my_list:
my_reverse_list.append(i[::-1])
print(my_reverse_list)
|
#Какое самое маленькое число делится нацело на все числа от 1 до 20?
x = 1
status = True
while status:
z = []
z = [i for i in range(1, 21) if x%i == 0]
if len(z) == 20:
print(x)
status = False
x+=1
|
a = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89]
l = []
for i in a:
if i <= 5:
l.append(i)
print(l)
print([elem for elem in a if elem <= 5]) |
"""
Daily alarm
Format used: H:M e.g. 10:12
24H format
"""
from datetime import datetime
import re
def return_time():
date_and_time = datetime.now().strftime('%H:%M')
return date_and_time
def start_clock():
i = 1
wake_up_time = raw_input("Enter time format \"H:M\": ")
if not (re... |
"""
variable length arguments
An asterisk (*) is placed before the variable name that holds the values of all nonkeyword variable arguments.
This tuple remains empty if no additional arguments are specified during the function call.
"""
def printinfo(arg1, *varargs):
print arg1
for var in varargs:
... |
import unittest
from user import User
class TestUser(unittest.TestCase):
"""
Test class that defines test cases for the user class behaviours.
Args:
unittest.TestCase: TestCase class that helps in creating test cases
"""
def setUp(self):
"""
set_up method to run before each test case
"""
... |
"""
Before any of the great ML and AI tools can be used, you must first have
complete command and control of the data you are expecting to derive information from.
As the adage goes "Garbage in, garbage out", so the first step in learning
how to truly utilize all the advances in computing and AI, is learning how
to t... |
# return the second to last element in a list
def secondLastElement(list):
# if there are not enough elements, then there is no second to last index
if (len(list) < 2):
return None
# return the second to last value
return list[len(list) - 2]
# tester code
a = []
assert(secondLastElement(a) == N... |
'''
为了解决内存突然增大问题，python引入了生成器
通过在函数中使用yield关键字
特性：
- 可以使用next获取数据，一次一个，结束时会报错
- 只能遍历一遍
- 可以转换为列表
- 可以使用for-in遍历
'''
l = [i for i in range(10)] #列表生成式
l2 = (i for i in range(1,1000000)) #生成器
print(type(l))
print(type(l2))
#通过next获取
print(next(l2))
print(next(l2))
#使用 for in 遍历
for j in l2:
pass
print('-------... |
# This code helps users visualize proof-of-work
# algorithm difficulty levels using LEDs
#
# Author: Josh McIntyre
#
from adafruit_circuitplayground.express import cpx
import time
import random
# This class defines functions for visualizing
# proof-of-work algorithms and how the difficulty
# effects the amount of time... |
#
def tenodd():
nnum = [0,0,0,0,0,0,0,0,0,0]
for i in range(10):
nnum[i] = input('Enter integer ' + str(i+1) + ': ')
alls = sorted(nnum, reverse=True)
for i in range(10):
isodd = int(alls[i])
if isodd % 2 != 0:
show = 'largest odd is ' + str(isodd... |
# Finds the first factorial(n) that has 1000 digits.
strlen = 0
now = 1
last = 1
iterator = 2
while strlen < 1000:
now += last
last = now - last
iterator += 1
strlen = len(str(now))
print "%d is %d long." % (iterator, strlen)
|
# Steps are an index value, so start at one or increment returned value
def step(at, steps):
# print "%d on hop %d" % (at, steps)
while not at == 1:
if at % 2 == 0:
at, steps = step(at / 2, steps + 1)
else:
at, steps = step(((at * 3) + 1), steps + 1)
break
r... |
import tensorflow as tf
import numpy as np
from tensorflow.examples.tutorials.mnist import input_data
###---关闭警告---###
import os
os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2'
###---关闭警告---###
mnist = input_data.read_data_sets("MNIST_data/", one_hot=True)
x = tf.placeholder("float", [None, 784])
W = tf.Variable(tf.zeros([... |
import numpy as np
from testCases_v3 import linear_activation_backward_test_case
from myhomework_PART1_period_6_1 import linear_backward
from dnn_utils_v2 import relu_backward,sigmoid_backward
def linear_activation_backward(dA, cache, activation):
"""
Implement the backward propagation for the LINEAR->ACTIVATI... |
# To work on the advanced problems, set to True
ADVANCED = True
def count_unique(input_string):
"""Count unique words in a string.
This function should take a single string and return a dictionary
that has all of the distinct words as keys, and the number of times
that word appears in the string as values.
Fo... |
from requests import get
from requests.exceptions import RequestException
from contextlib import closing
from bs4 import BeautifulSoup
def simple_get(url):
"""
Attempts to get the content at `url` by making an HTTP GET request.
If the content-type of response is some kind of HTML/XML, return the
text c... |
import random
# 2
# names = ('Kathy', 'Benji', 'Ian', 'Alejandro')
#
# for n in names:
# print(n, ':', len(n), 'letters')
# 3 Random names
first_names = ('Frances', 'Perry', 'Kerry', 'Omar', 'Carmen', 'Sonia',
'Eloise', 'Trevor', 'Ricardo', 'Tyler')
last_names = ('Doyle', 'Floyd', 'Reid', 'Webb', ... |
import random
wordlist = ('happy',)
word = random.choice(wordlist)
correct_guesses = () # empty tuple to hold correct guesses
num_turns = 0
all_letters = () # empty tuple to hold guesses
print(word)
for letter in word:
print("_", end=' ')
print()
player_letter = input("\nGuess a letter")
player_letter = pla... |
import random
lightbright = ['.', '.', '.', '.', '.', '.', '.', '.', '.','.'] # one row
board = [] # full board (it starts empty)
# add 10 lightbright rows
for x in range(10):
board.append(lightbright.copy()) # make a copy (don't just use same row over and over)
# print board nicely
for row in board:
for ... |
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