我也用的笨办法
Topic source加上测试的代码也就是
# -*- coding: utf-8 -*-
from operator import truediv
import turtle
def is_palindrome(n):
if n//10==0:
return True
elif n//100==0 and n//10>0:
if n%10==n//10:
return True
else:
return False
elif n//100>0:
if n//100==n%10:
return True
else:
return False
else:
print('超出范围')
# 测试:
output = filter(is_palindrome, range(1, 1000))
print('1~1000:', list(output))
if list(filter(is_palindrome, range(1, 200))) == [1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 44, 55, 66, 77, 88, 99, 101, 111, 121, 131, 141, 151, 161, 171, 181, 191]:
print('测试成功!')
else:
print('测试失败!')
- 1
长日将尽
def is_palindrome(n):
if n//10==0:
return True
elif n//100==0 and n//10>0:
if n%10==n//10:
return True
else:
return False
elif n//100>0:
if n//100==n%10:
return True
else:
return False
else:
print('超出范围')