Web Reference: In addition to being slightly faster, str.format_map() allows you to use a dict subclass (or other object that implements mapping) with special behavior, such as gracefully handling missing keys. This special behavior would be lost otherwise when the items were copied to a new dictionary. The format_map(mapping) is similar to str.format(**mapping) method. The only difference is that str.format(**mapping) copies the dict whereas str.format_map(mapping) makes a new dictionary during method call. Aug 5, 2021 · The format_map () function can be used in any practical application. Output: Your All-in-One Learning Portal. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.
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