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Python Foundation

I. variables

You can think of a variable as a word used to store values. Let's look at an example:

Control flow: conditional statement

"If" uses an expression to determine whether a statement is True or False, and if it is True, execute the code in if

Examples are as follows:

III. Cycles and iterations

In Python, iterations can be done in different forms. I'll talk about while and for.

List: collection | Array | data structure

Using the syntax of Python, it is easy to understand:

Dictionary: Key-Value data structure

Iteration: looping through data structures

As we learned in Python fundamentals, the List iteration is very simple. We Python developers usually use For loops.

Let's try it:

Class & object

Some theories:

Python object-oriented programming mode: ON

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