python学习第六天

"""
   while 条件:
       代码
"""
import random

# 无限次猜测一个1到100的随机数  每次猜错后随机数会变化  直到猜对为止才会终止循环
# num = random.randint(1,100)
# flag = True
# while flag == True:
#     if int(input("请输入一个值:")) == num:
#         print("恭喜你猜对了!!!")
#         flag = False
#     else:
#         print("猜错了小老弟")
#     print(f"随机数为{num}")
#     num = random.randint(1, 100)
# 1到100的和
# i =1
# sum = 0
# while i <=100:
#     sum += i
#     i += 1
# print(sum)

# 输出99乘法表
# first_num = 1
# row_num = 1
# while row_num <= 9:
#     while first_num <= row_num and first_num <=9:
#         print(f"{first_num}*{row_num}={first_num * row_num}\t",end="")
#         first_num +=1
#     print()
#     first_num = 1
#     row_num += 1

# 周五不想学习