nested while loops python

Conditions and loopsConditional execution:Name = Raw_input (' What's your name? ' If Name.endswith (' Gumby '):p rint ' Hello, Mr.gumby 'What is your name? Gumbyhello, Mr.gumbyName = Raw_input (' What's your name? ' If Name.endswith (' Gumby '):p rint ' Hello, mr.gumby ' else:print ' Hello, stranger 'Multiple conditions:num = input (' Enter a number: ') if num > 0:print ' The number is positive ' elif num Enter a number:5the number is positiveEnter A number: -1the number is negativeEnter a numbe

1. Judgment and CirculationPython indentMainPrint ("Hello")Print ("Hello world.")if 判断条件: 执行语句elif 判断条件: 执行语句else: 执行语句while 判断条件: 执行语句a = 100while a>1: print(a) a-=1 if a==50: break # 退出循环 if a==55: print("5555555555") continue # 此次循环结束，进入下一个循环Break jumps out of the loopContinue into the next cyclefor item in sequence： 执行语句l = ["a","b","c","d","e","f"]print(l[:])print(l[0:5]) # 大于等于0 小于5 0 2, the programming idea is the most importa

The following small series will provide you with a comprehensive analysis of the Python-nested list. I think this is quite good. now I will share it with you and give you a reference. Let's take a look at a 3-layer nested list m. M = ["a", ["B", "c", ["inner"] Basic data items a, B, c, and inner must be parsed. Basic data extraction methods: For I in m: Pr

The following small series will provide you with a comprehensive analysis of the Python-nested list. I think this is quite good. now I will share it with you and give you a reference. Let's take a look at a 3-layer nested list m. M = ["a", ["B", "c", ["inner"] Basic data items a, B, c, and inner must be parsed. Basic data extraction methods: For I in m:

): x=1y=2defwrapper ():#x #y #return Requests.get (URL). Text Print(name)returnWrapperpython_web=index ('https://www.python.org')#print (python_web.__closure__[0].cell_contents)Print(Python_web.__closure__)#print (python_web.__closure__[0].cell_contents)#print (python_web.__closure__[1].cell_contents)#print (python_web.__closure__[2].cell_contents)View CodeFive, nested functionsNested invocation of a function: in the process of in

This article mainly introduces how to use else and nested loop in the while loop of Python. It is the basic knowledge of getting started with Python. For more information, see Loop using else statements In python,... Else indicates this. The statements in for are no different from those in general. The statements in el

If you are also learning Head first Python, you can learn from each other. The next step is to document how to complete this chapter of the book and How to solve the problems encountered.first, simple access to list data"1"Access to specific data by location, 0 means the first bit "like""2" calculated list length "with Len" "3" list added at the end--delete element, append, pop Delete, note different usage append parentheses to add elements, list. Pop

The following is a simple implementation of PYTHON flattened nested list. I think this is quite good. now I will share it with you and give you a reference. Let's take a look at it together. list is the most frequently used data type in Python. There are a wide range of functions available in the standard library. However, if you convert a multi-dimensional lis

1. Update setup.pyFrom Distutils.core import setupsetup ( name = ' Iamericnester ', version = ' 1.4.0 ', py_modules = [' Nester '], author = ' Eric ', author_email= ' [email protected] ', url = ' http://126.com ', Description = ' A simple nested lists,fix the bug ', )2. Update nester.py"" "This is a new fuction, which work for a list" "" Def Print_lol (the_list,indent=false,l

When defining a function, the Python language allows its function to include the complete definition of another function. this is what we usually call nested definition. Example 1: defOutFun (): defines the Python language of a function. when defining a function, its function contains a complete definition of another function. this is what we usually call

what if I = = 0: #开头, to spell the left curly brace If Len (obj) = = 1:yield ' {%s:%s} '% (k, v) else:yield ' {%s:%s,\n '% (k, v) elif i = = Len (obj)-1: #结尾, spell right curly brace yield '%s%s:%s} '% (indent, K, v) else: #中间 yield '%s%s:%s,\n '% (indent, K, v) print '. Join (_pretty (obj, indent)) d = {"root": {"fol Der2 ": {" item2 ": None," Item1 ": none}," Folder1 ": {" Subfolder1 ": {" item2 ": None," Item1 ": none}," Subfolder2 ": {" ite M3 ": None}}}}pretty_Dict (d) Elegant

List is the most frequently used data type in Python, and there are rich functions available in the standard library. However, if you convert a multidimensional list into a one-dimensional list (not much of this requirement), it is not easy to find useful functions, You know, Ruby, Mathematica, and groovy are flatten. If the list is less dimensional and regular, it's good to do For example: Li=[[1,2],[3,4],[5,6]]print [J for I under Li for J in I] #

[Python] nested loop-exercise questions, nestedloop- [For Loop nested printing of python, such as shape] Figure 1: **************************** Image 2: **************** Figure 3: ************************* Figure 4: * *** ************ Figure 5: * *** ************ ***** *** * [For loop nesting in

I am writing a Python script from which I hope to call the Matlab Anovan function. I have attempted a basic test of this feature on filetest.txt.This file is imported as array data . In MATLAB, the Anovan function would is called as follows:anovan(data(:,1),{data(:,2),data(:,3)})In Python, I has attempted to call the function like this:ImportMatlab.Engineeng=Matlabengine. () data = NP genfromtxt ( ' test.t

Nested functions:1. function can be defined inside function2. function is only executed after it is calledLook at the following code:Age = +def func1 (): = print(age )def Func2 (): = # If the age is not assigned, it will first look in its parent (FUNC1), and if the parent does not, it will look for its grandfather (global age). # One layer at a level from inside Out Print (age) Func2 () func1 ()# output:#28 Note: Vari

Python uses the if and else statements nested in the for loop, pythonelse For... [if]... construct List (List comprehension)1. Simple for... [if]... statementIn Python,... [if]... statement is a simple method to construct a List. From the List given by for, select the elements that meet the if condition to form a new List, where if can be omitted. The following a

Use regular expressions in python to search for nested string groups. If you see a small requirement on the internet, you need to use a regular expression to handle it. The original requirements are as follows: Find the text that contains "because ...... Therefore, the sentence is centered on the two words and the three words before and after the output are fully output in the middle. If "because" and "so"

The Python Dictionary {} Saves the data as a key-value pair and can access the saved values in the dictionary with the keys instead of the subscript. Dictionaries can contain almost any number of variables, dictionaries, sequences, and tuples. The sequence is the same.The list of Python [] differs from a dictionary in that the list saves the content through a single element, with the subscript accessing the

‘:"Value1",‘Key2‘:{‘K1‘:‘V1‘,‘K2‘:[‘vv1 ", ' vv2 ' "}, "key3 ": 886, "key4": [ ' armin", Modifications to dictionaries and lists in nested:A_dict ={‘Key1‘:"Value1",‘Key2‘:{‘K1‘:‘V1‘,‘K2‘:[‘Vv1‘,‘Vv2‘]},‘Key3': 886,‘Key4‘:[‘Armin‘,‘Admin ", [1,2,3],{" k41 ": " v41 ' }]} A_dict[ "key4"][3][ ' n "]= "test" #向 Keys4 in the fourth element Add a key n value to test. a_dict[ "key4print (a_dict) Nested applications:A_dict =[ {"Name" :"Armin

1. Use a dictionary and list nesting structure to represent multiple records2. When adding information, enter a word directly, parse and disassemble, and record time and event3. Different color output with different information#!/user/bin/env Python# _*_ coding:utf-8 _*_# 51memo.py# author:大宝dayday见__author__ = ‘大宝dayday见‘desc = ‘51备忘录‘.center(30,‘-‘)print(desc)welcome = ‘welcome‘print(f‘{welcome}作者:‘,__author__)# 添加备忘信息"""dict = {‘time‘:‘8点‘,