云学编程的第13天—【微软官方python入门教程 P27-P28笔记】2021-11-13 循环Loops

本文主要是介绍云学编程的第13天—【微软官方python入门教程 P27-P28笔记】2021-11-13 循环Loops，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

P27Loops

Loop through a collection

for name in ['christopher','susan',str(10),int(1000),float(1)]:
    print(name)

how do i then loop x number of times? The way you do that is by using a built-in little function called range. range will do for you is it will automatically create a list of numbers for you. 

Looping a number of times

for index in range(1,6):
    print(index)

 Looping with a condition

a = input('what you want to do ?')
name = ['na','bi','ss',a]
index = 1
while index < len(name):
    print(name[index]) 
    index = index + 1 #change the condition!!

 Typically you would want to use a while loop in situations where something is going to change automatically. So if I was maybe reading through a list of lines, inside of a file or someting like that, that's perfect for a while loop.

P28实操

people = ['Christopher','Susan']
for name in people:
    print(name)
print()
index = 0
while index < len(people):
    print(people[index])
    index = index + 1

 Python While 循环语句 | 菜鸟教程 GIF动图讲解while

这篇关于云学编程的第13天—【微软官方python入门教程 P27-P28笔记】2021-11-13 循环Loops的文章就介绍到这儿，希望我们推荐的文章对大家有所帮助，也希望大家多多支持为之网！