One of the most common use cases for unpacking is to pass a list or dictionary to a function as a series of its elements rather than as a single object. The "*" unpacking operator (and its companion, ...

Comprehensions are a simple but powerful idea and are perhaps the most Pythonic idioms. They are a way of writing a for loop as a simpler, shorter expression. They start off from a simple way of ...

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That is, the first two are purely functional with no side-effects (and, at least in Haskell-equivalent, the first is just syntactic sugar for the second), while the third is imperative, with ...