This concept includes ideas that other languages divide up into different types of data – arrays, lists and strings. In Python there are sequences of different types that cross the usual divisions. In ...

No, it’s not a paradox or a contradiction. The tuple is immutable and you can’t change it after it is defined, but the need to modify a tuple, and other immutable sequences, is a common one. This ...

Is there a general way to traverse and replace the items in a nested sequence of arbitrary depth? Say, for instance, that I want to eliminate all the commas in any strings in some absurd nested ...