import math n = int(input('Input an integer:')) m = int(math.sqrt(n) + 1) for i in range(2, m): if n % i == 0: print('No') break else: print('Yes') #输出结果 #Input an integer:23 #Yes…
import math a = [p for p in range(2, 100) if 0 not in [p % d for d in range(2, int(math.sqrt(p)) + 1)]] print(a) #输出结果 #[2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97]…
python练手遇到的一个问题写了个统一公式,不用麻烦的分各种类,如果有人测试出错误请评论通知. #分单双月 def dayNum(month,day,isLeap): if month % 2 != 0: if month == 1: days = day else: days = (month - 1) * 30.5 - 2 + (month // 9) + day + isLeap else: if month == 2: days = 31 + day else: days = (mon…
只能被自己或者1整除的数为质数 num = int(input('请输入一个数:')) if num > 1: # 查看因子 for i in range(2, num): if (num % i) == 0: print(num, "不是质素") print(i, "乘以", num // i, "是", num) break else: print(num, "是质素") # 如果输入的数字小于或等于 1,不是质素…
a = 4 b = 5 #第一种 c = a a = b b = c print(a, b) #输出结果 #5 4 #第二种 a = a + b b = a - b a = a - b print(a, b) #输出结果 #5 4 #第三种 a, b = b, a print(a, b) #输出结果 #5 4…