def is_palindrome(n): if n is None: return False s = str(n) revs = s[::-1] return s == revs
output = filter(is_palindrome, range(1, 1000)) print(list(output))
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JeromeDeng
def is_palindrome(n): if n is None: return False s = str(n) revs = s[::-1] return s == revs
output = filter(is_palindrome, range(1, 1000)) print(list(output))