python 基础2-循环
while循环:
1、格式:
while 条件:
...
print(“...”)
2、while else的使用
3、continue、break
continue:终止当前循环,开始下一次循环
break:终止所有的循环
4、代码场景:
while else --while执行后再执行else
n = 0
while n < 10:
n+=1
print(n)
else:
print("else")
print("---end---")输入1-10,除了7continue --使用
n = 0
while n < 10:
n+=1
if n == 7:
continue
print(n)
print("---end---")
# ==
n = 0
while n < 10:
n+=1
if n == 7:
pass
else:
print(n)
print("---end---")break --使用
continue与break --对比
n = 0
while n < 10:
n+=1
print(n)
continue
print("123")
print("---end---")
输出:1-10,end
n = 0
while n < 10:
n+=1
print(n)
break
print("123")
print("---end---")
输出:1 相关推荐
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