Use this tag for questions related with argument unpacking, a technique that allows Arrays and Traversable objects to be extracted/unpacked into argument lists/sequences.
In the following method definitions, what does the * and ** do for param2? def foo(param1, *param2): def bar(param1, **param2):
python syntax parameter-passing variadic-functions argument-unpackingI've been looking at passing arrays, or lists, as Python tends to call them, into a function. I read something …
python parameter-passing argument-unpackingWhat does the * operator mean in Python, such as in code like zip(*x) or f(**k)? How is it …
python syntax parameter-passing iterable-unpacking argument-unpackingSo in Python and Ruby there is the splat operator (*) for unpacking an array as arguments. In Javascript there is …
go argument-unpackingI get an error type object argument after ** must be a mapping, not tuple. I have this code: create_character = …
python python-2.7 argument-unpackingExample use: def f(a, b, c, d): print(a, b, c, d, sep = '&') f(1,2,3,4) >>&…
python python-3.x argument-unpackingConsider the following expressions. Note that some expressions are repeated to present the "context". (this is a long list) a, …
python python-3.x iterable-unpacking argument-unpackingWhat is a good, brief way to extract items from a list and pass them as parameters to a function …
python list argument-unpackingIf I have a NumPy array, for example 5x3, is there a way to unpack it column by column all …
python arrays numpy argument-unpackingFATAL ERROR Uncaught Error: Cannot unpack array with string keys I know I can simply run the method fetch() twice …
php arrays argument-unpacking