#输入1的时候继续执行循环内的语句，跳出循环后继续执行循环后的语句
a = True
while a:
    b = input('type something')
    if b == '1':
        a = False
    else:
        pass
    print('stll in while')
    
print('finish run')

#break 跳出循环，继续执行循环后面的语句
while True:
    b = input('type something')
    if b == '1':
       break
    else:
        pass
    print('still in while')
    
print('finish run')

#continue 跳过后面的所有语句，直接进入下一次循环
while True:
    b = input('type something')
    if b == '1':
       continue
    else:
        pass
    print('still in while')
    
print('finish run')