2.1.while循环语法: while条件: 执行代码... 实例:循环打印0-100 count=0whilecount<=100: print("loop ",count)count+=1print("---end---") while True:# 当这个条件成立就执行下面的代码print("count:",count)count=count+1# count +=1 <=> count = count +1ifcount==100:break 实例:优雅退出...
With Python, you can usewhileloops to run the same task multiple times andforloops to loop once over list data. In this module, you'll learn about the two loop types and when to apply each. Learning objectives After you've completed this module, you'll be able to: ...
Reduces the code’s complexity: Loop repeats a specific block of code a fixed number of times. It reduces the repetition of lines of code, thus reducing the complexity of the code. Usingforloops andwhileloops we can automate and repeat tasks in an efficient manner. Loop through sequences: ...
Repeat tasks when a condition is true with while loops Use while loops for tasks with an unknown number of iterations Control loop execution with break and continue statements Avoid unintended infinite loops and write correct ones This knowledge enables you to write dynamic and flexible code, partic...
2.1.while循环语法 2.2.死循环(无限循环) 2.3.循环终止语句 2.4.python中while的特殊语法 3.for循环 3.1.for循环语法 3.2.for循环实例 写重复代码 是可耻的行为 --- 完美的分割线 --- 摘录自:http://www.runoob.com/python/python-loops.html 程序在一般情况下是按顺序执行的,编程...
Python programming offers two kinds of loop, thefor loopand thewhile loop. Using these loops along with loop control statements likebreak and continue, we can create various forms of loop. The infinite loop We can create an infinite loop using while statement. If the condition of while loop ...
Next, you'll move on to the for loop: once again, you'll learn how you can construct and use a for loop in a real-life context. You'll also learn the difference between using a while loop and a for loop. Also the topic of nested loops After, you'll see how you can use the ...
The thumb rule for using loops is: 使用循环的经验法则是: If you're writing a similar piece of code, again and again, it's time to go for the loops. 如果您要编写类似的代码,那么就该去循环了。 Instead of doing, 而不是做 >>> a = 1 ...
Python 没有 C 风格的 for 循环,但是的确有 for 循环,但是原理类似于foreach 循环。 这是Python 的 for 循环风格: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 numbers=[1,2,3,5,7]forninnumbers:print(n) 不像传统的 C 风格的 for 循环,Python 的 for 循环没有索引变量。没有索引初始化、边...
Two basic loop types are for loops and while loops. For loops iterate through a list and while loops run until a condition is met or until we break out of the loop. We used a for loop in earlier scripts (e.g., pass.py), but we haven't seen a while loop yet:...