How Can I Efficiently Convert a String with Thousands Separators to a Number in Python?

Converting String with Thousands Separators into Number in Python

Question:

Python throws a ValueError when attempting to convert a string with commas as thousands separators to an integer using the int() function. Is there a more efficient method to perform this conversion?

Answer:

The locale module in Python provides a solution. By setting the locale to 'en_US.UTF-8', you enable the correct interpretation of commas as thousands separators.

import locale
locale.setlocale( locale.LC_ALL, 'en_US.UTF-8' )

With the locale set, you can use the locale.atoi() and locale.atof() functions to convert string representations to integers and floats, respectively:

locale.atoi('1,000,000')
# Results in 1,000,000

locale.atof('1,000,000.53')
# Results in 1,000,000.53

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