摘要: n = int(input("输入一个大于0的数:")) #把用户输入赋值给变量n,int()的作用是将输入的字符串转成整数sum = 1 #sum 赋初值为0for i in range(1,n+1): #括号里取值范围是从1到n,不包括n+1 sum = sum * i #每次循环时把i值加到s 阅读全文
posted @ 2021-09-12 23:33 zty666 阅读(77) 评论(0) 推荐(0)
摘要: a = str(input("输入一个字符串:"))print(a [::-1]) 阅读全文
posted @ 2021-09-12 23:24 zty666 阅读(57) 评论(0) 推荐(0)
摘要: number = 1.231564print('{:.3f}'.format(number)) 阅读全文
posted @ 2021-09-12 20:33 zty666 阅读(173) 评论(0) 推荐(0)
摘要: length = float(input("输入矩形的长:"))wide = float(input("输入矩形的宽:"))area = length * widematch = areaprint("矩形面积:")print("%.2f" % match) 阅读全文
posted @ 2021-09-12 20:15 zty666 阅读(159) 评论(0) 推荐(0)