1Python introduction

2. Python annotations

3. Python variable name.mp4

1. Number type

2. String type

3. Introduction to other data types

4. Data type conversion (Part 1)

5. Data type conversion (Part 2)

1. Operator

2. Operation 1

3. Operation 2

4. Operation 3

1. Process control and branch structure

2. Loop structure

3. Other process control statements

4. Input usage (supplementary)

1. Function definition

2. Function parameters (Part 1)

3. Function parameters (Part 2)

4. Function documentation and return values

1. Variable scope

2. nonlocal keyword

3. Recursive function

4. lambda expression

5. Partial function