6 函数复习

def sushu(lower,upper):
    lei = []
    for num in range(lower,upper+1):
        if num > 1:
            for i in range(2,num):
                if (num % i ) == 0:
                    break
            else:
                lei.append(num)
    print('求的素数共计'+ str(len(lei)) +'个。
','分别是:',lei)
while 1:
    lower = int(input('输入区间最小值:'))
    upper = int(input('输入区间最大值:'))
    sushu(lower, upper)
    print()