python中的for循环比Java中的更加简练有点类似于Scala基本语法如下:
cities = ["beijing", "shanghai", "tianjin"]
for city in cities:
print(city.title())
while循环基本一样,基本语法如下:
i = 0
while i < 9:
print(i)
i += 1
循环跳出包括关键字break,continue其中break直接结束跳出循环,continue跳过本次迭代进入下次迭代直至循环完成;
测试demo如下:
nums = rang(8)
for num in nums:
if num % 2 == 0:
print(num)
break
for num in nums:
if num % 2 ==0:
print(num)
continue
可以想一下输出结果;