跟我一起写python--跳出循环-break,continue (10)

循环语句中,如果想跳出循环,我们有两种方式,一种是brak,另一种是continue

1.break
break语句用来终止循环语句,即跳出整个循环过程。

流程图:

例:

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#!/usr/bin/python
# -*- coding :UTF -8 -*-
count = 5

while count >0:
print ("count is ",count)
count = count -1
if count == 2:
break #break跳出整个while循环

print ("over!")

输出:

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count is  5
count is 4
count is 3
over!

2.continue
continue语句用来终止当前循环,即当前一次循环跳出后,执行下一次循环。

流程图:

例:

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#!/usr/bin/python
# -*- coding :UTF -8 -*-
count = 5

while count >0:

print ("count is ",count)
count = count -1
if count == 2:
continue #只跳出当前一次的循环,执行下一次循环

print ("over!")

输出:

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count is  5
count is 4
count is 3
count is 2
count is 1
over!

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