1-1 Installation and use of Python interpreter

1-2 Installation and use of PyCharm

1-3 Classification of programming languages

1-4 Introduction to Python language and development tools

1-5 IPO programming approach

1-6 Use of print function

1-7 Use of input function

1-8 Annotations in Python

1-9 Indentation in Python and summary of this chapter

1-10 Chapter exercises explained

2-1 Reserved words and identifiers

2-2 Variables and constants

2-3 Numeric type

2-4 string type

2-5 Boolean type

2-6 type conversion function

2-7 eval function

2-8 arithmetic operators

2-9 assignment operator

2-10 comparison operator

2-11 Logical Operators

2-12 Bitwise operations and operator precedence

2-13 Summary of this chapter and explanation of chapter exercises

3-1 How the program is described

3-2 sequential structure

3-3 Select structure if

3-4 double branch structure

3-5 multi-branch structure

3-6 Use of nested if

3-7 Multiple conditional connections

3-8 Python3.11 new features-pattern matching

3-9 Traverse loop for

3-10 infinite loop while

3-11 Use a while loop to simulate user login

3-12 Nested loop prints rectangles and triangles

3-13 Nested loop prints out diamonds and hollow diamonds

3-14 Use of break in loops

3-15 Use of continue in loops

3-16 Empty statement pass and summary of this chapter

3-17 Chapter exercises explained

4-1 Sequence indexing and slicing operations

4-2 Sequence related operations

4-3 Basic operations on lists

4-4 List-specific operations

4-5 List generation and two-dimensional list

4-6 Creation and deletion of tuples

4-7 Tuple access and traversal

4-8 tuple generation

4-9 Dictionary creation and deletion

4-10 Access and traversal of dictionary elements

4-11 Related methods of dictionary operations

4-12 dictionary generation

4-13 Collection creation and deletion

4-14 Set operators

4-15 Collection operation methods and collection traversal

4-16 Python3.11 new features

4-17 Chapter summary and multiple choice questions

5-1 Practical Combat 1-What is the millennium bug?

5-2 Practical Combat 2-Simulating the shopping process of JD.com

5-3 Practical Combat 3-Simulating the 12306 Ticket Booking Process

5-4 Practical Combat 4-Simulating Cell Phone Address Book

6-1 Common methods for strings 1

6-2 Commonly used methods for strings 2

6-3 Three ways to format strings

6-4 format detailed format control

6-5 Encoding and decoding strings

6-6 Data validation methods

6-7 String processing-string concatenation operation

6-8 String processing-string deduplication operation

6-9 Introduction to regular expressions and related symbols

6-10 Use of match function in re module

6-11 Use of search function and findall function in re module

6-12 The use of sub function and split function in re module

6-13 Chapter summary

6-14 Chapter multiple choice questions

7-1 Practical Combat 1-License Plate Ownership

7-2 Practical Combat 2 - Count the number of occurrences of a specified character

7-3 Practical Combat 3-Formatting and Outputting Product Information

7-4 Practical Combat 4-Use regular expressions to extract image URLs

7-5 The origin and classification of bugs

7-6 Exception handling in Python

7-7 Use of raise keyword

7-8 Common exception types in Python

7-9 Program debugging with PyCharm

7-10 Chapter summary and chapter multiple choice questions

8-1 Practical Combat 1 - Manually throw an exception if the entered score is incorrect

8-2 Practical Combat 2 - Determine whether a triangle is formed

8-3 Function definition and calling

8-4 Function parameter passing - positional parameter passing and keyword parameter passing

8-5 Parameter passing of functions-default value parameters

8-6 Parameter passing of functions - variable parameters

8-7 function return value

8-8 variable scope

8-9 Use of anonymous functions

8-10 Recursive operation of functions

8-11 Fibonacci Sequence

8-12 Commonly used built-in functions - type conversion functions

8-13 Common built-in functions-mathematical functions

8-14 Commonly used built-in functions-iterator operation functions

8-15 Commonly used built-in functions-other functions

8-16 Chapter summary

8-17 Chapter multiple choice questions

8-18 Practical Combat 1 - Calculate the maximum value of list elements

8-19 Practical Combat 2 - Extract all numbers in the string and sum them

8-20 Practical Combat 3-Conversion of uppercase and lowercase letters in strings

8-21 Practical Combat 4 - Implementing the judgment function of operator in