1分钟了解Python基础知识
**PYTHON** 是一种高级、解释型编程语言,以可读性和简单性而闻名。
它广泛用于Web开发、数据分析、人工智能、科学计算等。
作为初学者,您将在 Python 中学习到基础知识。
**如何在 Python 中打印**
`打印(“你好,世界!”)`
**如何在 python 中写注释**
# This is a single-line comment """ This is a multi-line comment """
**变量和数据类型**
Integer x = 10 Float y = 3.14 String name = "Alice" Boolean is_valid = True
**算术运算符 - +、-、、/、%、//、***
a = 10 b = 3 print(a + b) # Addition print(a - b) # Subtraction print(a == b) # Equals print(a != b) # Not equal print(a > b) # Greater than print(a < b) # Less than print(a * b) # Multiplication print(a / b) # Division print(a % b) # Modulus print(a // b) # Floor Division print(a ** b) # Exponentiation
**比较运算符——==、!=、>、<、>=、<=**
a = 10 b = 3 print(a == b) # Equals print(a != b) # Not equal print(a > b) # Greater than print(a < b) # Less than print(a >= b) # Greater than or equal print(a <= b) # Less than or equal
**逻辑运算符 - 与、或、非**
a = 10 b = 3 print(a > 5 and b < 5) # Logical AND print(a > 5 or b > 5) # Logical OR print(!(a > 5)) # Logical NOT
**条件语句 - else、if、elif**
a = 10 b = 3 if a > b: print("a is greater than b") elif a < b: print("a is less than b") else: print("a is equal to b")