Parameters and Arguments

Parameters vs arguments

With no additional syntax, arguments (expressions in a function call) are matched to parameters (variables in a function definition) by position. The first parameter gets the value of the first expression, and so on.

Introduction to parameters

Parameters in a function definition may be:

• A simple variable that is matched to an argument by position. Positional parameters must precede any other parameters.
• variable=value: to give a default value for missing arguments.
• *args - to accept multiple arguments as a single tuple. By

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