Python

#title: Decompose a positive integer into factorization. For example: Enter 90 and print out 90=2*3*3*5. #My method should be more concise than the Internet, but recursion may be slown = input ('Please enter a positive integer:') n=int (n) X=str (n)

# title: A ball from the height of 100 meters of freedom falling, each landing back to the original height of half, and then down, to ask it to fall on the 10th time, the total number of meters? How high is the 10th time rebound?#这个答案可以自定义任何高度和反弹次数,

Count = 0def Hannuota (N,src,dst,mid): #n是圆盘数, SRC is the start, DST is the target, mid is over Global Count if n = = 1: Print (' {}:{}->{} '. Format (1,SRC,DST)) #当圆盘是1时, move from the starting column to the target column Count +

3, Title: An integer, it plus 100 is a complete square number, plus 168 is a complete square number, what is the number?x+100 = N*nx+100+168 = m * mSo(m+n) * (m-n) =168#title: An integer, which plus 100 is a complete square number, plus 168 is a

#title: If a number is exactly equal to the sum of its factors, this number is called the "end number". For example, 6=1+2+3. Programming to find all the finished numbers within 1000. defsuoyou (n): #找到所有因子 s= [] forIinchRange (1,n+1):

Python has built in a lot of useful functions that we can call directly.To invoke a function, you need to know the name and parameters of the function, and you can view the document directly from the official Python website.A common

Python's 6 basic data types--dictionariesDictionarydefinition and characteristics of dictionariesA dictionary is the only type of mapping in the Python language. definition : {key1:value1,key2:value2} 1、 键与值用冒号"："分开；

StringioMost of the time, data read and write is not necessarily a file, but also can read and write in memory.Stringio, as the name implies, reads and writes STR in memory.To write Str to Stringio, we need to create a stringio and then write it

Python module JSONimportjsonx="[null,true,false,1]"print(json.loads(x)) #----------------------------serialized import JSON dic={' name ': ' Alvin ', ' age ': at $, ' sex ': ' Male '}print (type (DIC)) # J=json.dumps (DIC) print (Type (j)) # f=open

First, the definition of the dictionary method:1. dic = {' name ': ' Karen ', ' age ': $, ' hobby ': ' Girl ', ' Is_handsome ': True}Print (DIC) #==>{' name ': ' Karen '}DIC = {' name ': ' Karen ', ' age ': $, ' hobby ': {' name ': ' Xu ', ' Age ': $

#!/usr/bin/env python#-*-coding:utf-8-*-#@Time: 2018/4/29 9:11#@Author: Jackendoff#@Site:#@File: Two-point tree. PY#@Software: PycharmData= [1,3,6,7,12,14,16,17,18,20,21,22,23,30,32,35]defBinary_serch (dataset,find_num):Print(DataSet)ifLen (DataSet)

Variable　　The variables in Python are different from the C language, Python is a dynamic type of language, so there is no need to pre-declare the type of the variable, and the variable's type and value are initialized at the moment of the assignment.

Python was created by Uncle Guido van Rossum Dutchman 1989 Christmasfeatures of Python1. Elegant 2 Clear 3 simplepython fit for the field1.　　Web sites and various network services2. System Tools and Scripts3. As a glue language, the modules

Python program architectureOverview of the schema Diagram 1, left of the diagrampython的模块python库python中用户定义的模块Example在执行import os时候,这个os就是python内建的模块,当然python还可以通过自定义模块来扩展python系统2. Right side of diagrampython运行时环境三大组成部分对象/类型系统包含了python中存在的各种内建对象,比如×

Python interpreter官方CpythonC语言开发,最广泛的Python解释器IPython一个交互式,功能增强的CpythonPyPyPython语言写的Python解释器,JIT技术,动态编译Python代码JythonPython的源码编译成Java的字节码,跑在JVM上IronPython与Jython类似,运行在.Net平台上的解释器,Python代码被编译成.Net的字节码Version

#-*-Coding:utf-8-*-Import osfrom xpinyin Import pinyintest = Pinyin () def get_name (): path = r "D:\pic\sx\pinyin_tb" for the filename in OS . Listdir (r "D:\pic\sx\pinyin_tb"): #listdir的参数是文件夹的路径 print (filename)

(i) URL AddressURL Address Components URL component Scheme network protocol or download scheme Net_loc Server location (may contain user information) path

Import a new moduleCreate a calculate.py fileprint(‘ok‘)def add(x,y): return x + ydef sub(x,y): return x - yCreate a bin.py file again to call the calculate.py moduleimport sysimport calculate # 导入 calculate 模块, 模块会在 sys.path

First, convert decimal to the number of significant digits in binaryi = 10Print (I.bit_length ())Second, conversionint STR is converted to each other. ## a = 123## Print (str (a), type (str (a)))## a = ' 123 '## Print (int (a), type (int (a)))

Below for you to share a Python-based multi-process shared variable right open way, with a good reference value, I hope to be helpful to everyone. Come and see it together. Multi-process sharing variables and getting results Because of engineering