python break和continue用法

# break 跳出整个循环
i = 0
while i < 10:
    if i == 3:
        break
    print(i)
    i += 1

# continue 跳出本次循环，继续下次循环
i = 0
while i < 10:
    if i == 3:
        i += 1  # 注意这里不写会死循环
        continue
    print(i)
    i += 1