“肥宅快乐数”-python暴力版

num = input(‘请输入数字>>>‘).strip()
new_num = num
if num.isdigit():
    sum1 = 0
    check = []
    while sum1 !=1:
        for i in check:
            if check.count(i) >= 2:
                print(new_num+‘不是快乐数！‘)
                exit()
        li = []
        for i in str(num):
            li.append(int(i))
        l = map(lambda x: x ** 2, li)
        ki = []
        for i in l:
            ki.append(i)
        sum1 = sum(ki)
        check.append(sum1)
        num = sum1
    else:
        print(new_num+‘是快乐数！‘)
else:
    print(‘错误的输入！不是数字！‘)