How Can I Remove Trailing Zeros from Float Formatting in Python?

Stripping Trailing Zeros from Float Formatting

To format a float without including unnecessary trailing zeros and maintain the string's conciseness, one can employ the %g format specifier. This simplifies string manipulation and ensures a compact representation.

By utilizing %g, you can eliminate any leading and trailing zeros as well as the decimal point if there are no trailing digits. Here's an illustration:

'%.g'%(3.140)  # Output: '3.14'

Additionally, you can use string formatting with Python versions 2.6 and above:

'{0:.g}'.format(3.140)  # Output: '3.14'

For Python 3.6 and later, use formatted string literals:

f'{3.140:.g}'  # Output: '3.14'

As per the documentation for the format() method, the 'g' specifier achieves the following:

• It eliminates insignificant trailing zeros from the significand.
• If there are no remaining digits after the decimal point, it removes the decimal point as well.

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