方法一:提前定义一个变量,让其为空字符串
实例
flag = ‘’ for i in range(10) : for x in 'abc' : print(i,"---",x) if x == 'b' : flag = True break if flag : break
方法二:使用for…else…实现break跳出嵌套的for循环
实例
In [31]: for i in range(1,5): ...: for j in range(5,10): ...: print(i,j) ...: if j==6: ...: break ...: else: ...: continue ...: break 1 5 1 6