csv — CSV File Reading and Writing — Python 3.16.0a0 documentation

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configparser — Configuration file parser

Python Module Index

3.16.0a0 Documentation

The Python Standard Library

io.TextIOBase.write

collections.abc: Abstract base classes for containers

Note that unlike the DictReader class, the fieldnames parameter of the DictWriter class is not optional.

fractions.Fraction

Some numeric types, such as bool, Fraction, or IntEnum, have a string representation that cannot be converted to float. They cannot be read in the QUOTE_NONNUMERIC and QUOTE_STRINGS modes.

Dialects and Formatting Parameters¶

A one-character string used to separate fields. It defaults to ','.

locale.getencoding()

The corresponding simplest possible writing example is: