Скачать или смотреть Python Trick: Using str.translate() for Efficient Character Substitution

When you need to replace or remove specific characters from a string, most developers use str.replace() or regular expressions. However, a lesser-known but more efficient method is using str.translate() combined with str.maketrans(). This method is particularly useful when you want to perform multiple character substitutions or removals at once.

How It Works: str.translate() performs character replacements based on a translation table. You can create this table using str.maketrans(), which maps characters to their replacements. If you pass None as the replacement, the characters will be removed from the string.

Why It’s Cool: str.translate() is much faster than using str.replace() multiple times or regular expressions when you need to perform multiple character replacements or removals. It’s an efficient and concise way to manipulate strings, especially when working with large datasets or performance-critical applications.

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