Python 基础教程

Welcome to the Python fundamentals tutorial! Whether you are a beginner or looking to refresh your knowledge, this guide will help you get started with the basics of Python programming.

安装 Python

Before you begin, make sure you have Python installed on your system. You can download it from the official Python website.

Python 基础语法

• 变量赋值

  x = 5
  y = "Hello, World!"
  

• 数据类型
  • 整数 (int)
  • 浮点数 (float)
  • 字符串 (str)
  • 布尔 (bool)
• 运算符
  • 算术运算符 (+, -, *, /, %)
  • 比较运算符 (==, !=, <, >, <=, >=)
  • 逻辑运算符 (and, or, not)

控制流

• 条件语句

  if x > 5:
      print("x is greater than 5")
  elif x == 5:
      print("x is equal to 5")
  else:
      print("x is less than 5")
  

• 循环
  • for 循环
  • while 循环

函数

Functions are blocks of code that perform a specific task. They can be defined using the def keyword.

def greet(name):
    print(f"Hello, {name}!")

greet("Alice")

图片示例

Here's an image of a Python logo to illustrate this tutorial:

扩展阅读

To learn more about Python, check out our advanced Python tutorials.