Python's argparse: How to use keyword as argument's name

Question

lambda has a keyword function in Python:

f = lambda x: x**2 + 2*x - 5

What if I want to use it as a variable name? Is there an

Answer 1

argparse provides destination functionality for arguments if the long option name is not the desired attribute name for the argument.

For instance:

parser = argparse.ArgumentParser()
parser.add_argument("--lambda", dest="function")

args = parser.parse_args()

print(args.function)