Installation and use of Python interpreter

Installation and use of PyCharm

Classification of programming languages

Introduction to Python language and development tools

IPO programming approach

Use of print function

Use of input function

Annotations in Python

Indentation in Python and summary of this chapter

Chapter exercises explained

Reserved words and identifiers

Variables and constants

Numeric type

string type

Boolean type

type conversion function

eval function

arithmetic operators

assignment operator

comparison operator

Logical Operators

Bitwise operations and operator precedence

Summary of this chapter and explanation of chapter exercises

How the program is described

sequential structure

Select structure if

double branch structure

multi-branch structure

Use of nested if

Multiple conditional connections

Python3.11 new features-pattern matching

Traverse loop for

infinite loop while

Use a while loop to simulate user login

Nested loop prints rectangles and triangles

Nested loop prints out diamonds and hollow diamonds

Use of break in loops

Use of continue in loops

Empty statement pass and summary of this chapter

Chapter exercises explained

Sequence indexing and slicing operations

Sequence related operations

Basic operations on lists

List-specific operations

List generation and two-dimensional list

Creation and deletion of tuples

Tuple access and traversal

tuple generation

Dictionary creation and deletion

Access and traversal of dictionary elements

Related methods of dictionary operations

dictionary generation

Collection creation and deletion

Set operators

Collection operation methods and collection traversal

Python3.11 new features

Chapter summary and multiple choice questions

Practical Combat 1-What is the millennium bug?

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

Practical Combat 3-Simulating the 12306 Ticket Booking Process

Practical Combat 4-Simulating Cell Phone Address Book

Common methods for strings 1

Commonly used methods for strings 2

Three ways to format strings

format detailed format control

Encoding and decoding strings

Data validation methods

String processing-string concatenation operation

String processing-string deduplication operation

Introduction to regular expressions and related symbols

Use of match function in re module

Use of search function and findall function in re module

The use of sub function and split function in re module

Chapter summary

Chapter multiple choice questions

Practical Combat 1-License Plate Ownership

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

Practical Combat 3-Formatting and Outputting Product Information

Practical Combat 4-Use regular expressions to extract image URLs

The origin and classification of bugs

Exception handling in Python

Use of raise keyword

Common exception types in Python

Program debugging with PyCharm

Chapter summary and chapter multiple choice questions

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

Practical Combat 2 - Determine whether a triangle is formed

Function definition and calling

Function parameter passing - positional parameter passing and keyword parameter passing

Parameter passing of functions-default value parameters

Parameter passing of functions - variable parameters

function return value

variable scope

Use of anonymous functions

Recursive operation of functions

Fibonacci Sequence

Commonly used built-in functions - type conversion functions

Common built-in functions-mathematical functions

Commonly used built-in functions-iterator operation functions

Commonly used built-in functions-other functions

Chapter summary

Chapter multiple choice questions

Practical Combat 1 - Calculate the maximum value of list elements

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

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

Practical Combat 4 - Implementing the judgment function of operator in