Python's many ways of string formatting — are the older ones (going to be) deprecated? Question: Python has at least six ways of formatting a string: In [1]: world = “Earth” # method 1a In [2]: “Hello, %s” % world Out[2]: ‘Hello, Earth’ # method 1b In [3]: “Hello, %(planet)s” % {“planet”: world} Out[3]: ‘Hello, …
Why is Python 3 not backwards compatible? Question: I have learned that Python 3 is not backwards compatible. Will it not affect a lot of applications using older versions of Python? How did the developers of Python 3 not think it was absolutely necessary to make it backwards compatible? Asked By: neelmeg || Source Answers: …
How to warn about class (name) deprecation Question: I have renamed a python class that is part of a library. I am willing to leave a possibility to use its previous name for some time but would like to warn user that it’s deprecated and will be removed in the future. I think that to …
