The U file mode tells Python to read the file in "universal newlines" mode. This has been the default as of Python 3.0 and should be controlled from the newline keyword parameter which deprecated the U mode specifier.
U was removed in Python 3.12 and now causes a ValueError if used.
The
U
file mode tells Python to read the file in "universal newlines" mode. This has been the default as of Python 3.0 and should be controlled from the newline keyword parameter which deprecated theU
mode specifier.U
was removed in Python 3.12 and now causes aValueError
if used.