print('while loop\t\t', timeit.timeit(while_loop, number=1)) print('for loop\t\t', timeit.timeit(for_loop, number=1)) print('for loop with increment\t\t', timeit.timeit(for_loop_with_inc, number=1)) print('for loop with test\t\t', timeit.timeit(for_loop_with_test, number=...
32 -- 19:51 App #15for循环【Python编程小白入门】Loop 2211 4 21:37 App 条件判断和循环 (while, for)【Python一周入门教程4】 1779 -- 10:28 App Python入门 13:循环 for loop (1) 4770 3 2:45 App python-for循环 1931 1 6:35 App 学习使用Python中的for循环 854 -- 1:43 App py...
Python for loop and while loop #!pyton2#-*- coding:utf-8 -*-forletterin"Python":print"Current letter is:",letter fruits=["apple","mango","pear"]forfruitinfruits:printfruitforindexinrange(len(fruits)):printfruits[index]>python2 test.py Current letteris: P Current letteris: y Current ...
While loop– This loop statement checks for a condition at the beginning and till the condition is fulfilled, it will execute the body of the loop. For loop– For loops are used to sequentially iterate over a python sequence. When the sequence has been iterated completely, the for loop ends...
Python for loop vs while loop Thefor loopis usually used in the sequence when the number of iterations is known. For example, # loop is iterated 4 timesforiinrange(4):print(i) Run Code Output 0 1 2 3 Thewhileloop is usually used when the number of iterations is unknown. For example...
The Python while loop: you'll learn how you can construct and use a while loop in data science applications. You'll do this by going over some interactive coding challenges. Next, you'll move on to the for loop: once again, you'll learn how you can construct and use a for loop in...
译自How (and When) to Use a Python While Loop,作者 Jack Wallen。 While 循环是编程的一个基本要素。While循环所做的是继续执行一条语句(或一组语句),直到满足特定条件。一个显而易见的例子(许多人都会理解)可能是这样的:只要我的银行账户有钱,我就可以买东西。
while陳述句(statement)所建立的迴圈不像for迴圈,需要在一定的範圍內迭代;也不像if陳述句,只存在執行一次或不執行的狀況。只要陳述的條件為真True,while迴圈就會持續到天荒地老,或者電腦當掉。 如果你對for迴圈或if陳述句不熟悉,可以閱讀〈Python for 迴圈(loop)的基本認識與7種操作〉、〈Python if 陳述句的...
表达式for loop View Code 表达式while loop View Code 三元运算 result = 值1 if 条件 else 值2 如果条件为真:result = 值1 如果条件为假:result = 值2 程序:购物车程序 需求: 启动程序后,让用户输入工资,然后打印商品列表 允许用户根据商品编号购买商品 ...
A while loop has three important parts:The keyword while, followed by a space. The condition you test. If the condition is true, the code inside the while loop runs. The code you want to run for each iteration, indented with nested whitespace. For example: Python Copy while <condition>...