Python palindrome

回文字符串是指正着和反着读都一样的字符串。Python中可以使用以下代码来判断一个字符串是否为回文字符串：

def is_palindrome(s):
    return s == s[::-1]

其中[::-1]表示将字符串反转。你可以测试一下这个函数的效果，比如：

print(is_palindrome('abcba'))  # True
print(is_palindrome('hello'))  # False

相关问题

python palindrome

Palindrome in Python is a word, phrase, number, or other sequence of characters that reads the same backward as forward. Here's an example of a Python function that checks if a given string is a palindrome:

def is_palindrome(word):
    # Convert the word to lowercase and remove any non-alphanumeric characters
    word = ''.join(e for e in word.lower() if e.isalnum())
    
    # Check if the word is equal to its reverse
    return word == word[::-1]

You can use this function to check if a word is a palindrome. For example:

print(is_palindrome("racecar"))  # Output: True
print(is_palindrome("hello"))    # Output: False

This function first converts the word to lowercase and removes any non-alphanumeric characters using a list comprehension. Then, it checks if the word is equal to its reverse using slicing. If they are equal, it returns `True`; otherwise, it returns `False`.

python判断palindrome

一个常见的判断回文的方法是将字符串反转后与原字符串比较。如果相等，那么它就是回文。

以下是一个用Python实现的函数，可以判断一个字符串是否为回文：

def is_palindrome(s):
    return s == s[::-1]

这里，通过字符串的切片操作[::-1]可以将字符串反转。如果反转后与原字符串相等，就说明它是回文。