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Strings & text

Format, split, join, parse, and clean text — everyday Python string patterns.

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Strings & text easy

How to Format a Float as Currency in Python

This code defines a function that converts a float to a string formatted as US currency with two decimal places and comma separators.

formatting currency f-string
Python 
def format_currency(amount):
    return f"${amount:,.2f}"

if __name__ == "__main__":
    test_amounts = [1234.5, 0, 9999999.999, -42.867]
    for amount in test_amounts:
        print(f"{amount} -> {format_currency(amount)}")
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This page collects strings & text snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

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Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.

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