while 循环语句 break 终止 continue 完成当次循环

#输出 偶数

num = 1
while num<=100:
  if num%2==0:
    print(num)
  num += 1

#输出 奇数

num = 1
while num<=100:
  if num%2==1:
    print(num)
  num += 1

 

#猜年龄   直到猜对为止  用break 终止

age = 50
while True:
  input_age = int(input("请输入你要猜的年龄:》"))
  if input_age == age:
    print("你猜对了")
    break
  elif input_age > age:
    print("你输入的年纪大了")
  else:
    print("你输入的年纪小了")

print("END")

 

#continue  完成当次循环

num = 1
while num <= 10:
  num += 1
  if num == 5:
    continue
  print(num)

 


#双重 while 自定义 height 和 width 输出所需要的数据
height = int(input("HEight:"))
width = int(input("width:"))

num_height = 1

while num_height <= height:
  print("#",end="")
  num_width = 1
  while num_width <= width:
    print("#",end="")
    num_width += 1
  print()
  num_height += 1

 

#九九乘法表。

height = 1

while height <= 9:
  width = 1
  while width <= height:
    print(str(width),"*",str(height),"=",width*height,end=" ")
    width += 1
  print()
  height += 1

 

#输出如下直接三角形,用户指定输出行数:(如果翻转怎么实现)
&                 &&&&&
&&                &&&&
&&&                &&&
&&&&                &&
&&&&&                &

#正像三角形
height = int(input("请输入行数:"))
num_height = 1

while num_height <= height:
  num_width = 1
  while num_width <= num_height:
    print("&",end="")
    num_width += 1

  print()
  num_height += 1

 

#反向 三角
height = int(input("请输入行数:"))

while height > 0:
  num_width = height
  while num_width > 0:
    print("&",end="")
    num_width -= 1
  print()
  height -= 1

posted @ 2018-06-17 16:41  学海无涯是光明  阅读(482)  评论(0编辑  收藏  举报