break break在任何循环语句中的主体部分,均可以用break控制循环流程.break用于强行退出循环,不执行循环中剩余的语句. (break语句也在switch中使用) package com.xiaoming.struct;public class BreakDemo { public static void main(String[] args) { int i = 0; while (i<100){ i++; …
用for循环打印九九乘法表: for i in range (1,10): for j in range(1,10): print(j,"x",i,"=",i*j,"\t",end="") if i==j: print("") break 打印结果是: 1 x 1 = 1 1 x 2 = 2 2 x 2 = 4 1 x 3 = 3 2 x 3 = 6 3 x 3 = 9 1 x 4 = 4 2 x 4 =…