Understand Function in Python

Define a function, set default params, use closure.

Today I gonna learn to use functions in Python as a series of learning Python from Scratch. Before I search any tutorials, my goals are to know the following questions:

• How to define a function?
• Does the language support function overloading?
• How to set default params?
• How to write a high-order function?
• Can I use closure?

With these questions in mind, I started googling the keywords:

python function

Here are what I learned.

How to define a function?

We can use def to define a function:

Does Python support function overloading?

No. Python is dynamically language, function overloading is not necessory.

How to set default params?