新手入驻，求解个问题

# encoding = utf-8
lstop = False
while lstop == False:

    num = int(input('输入一个任意大于1的整数(否则退出)：'))
   
    if num <= 1 :
        lstop = True
        print('即将退出...')
    else:
           
        i = 2
        while i <num:
            print(i)
            i += 1