Python operators: from basic to advanced, all in one place
Basic operators:
Basic operators are the most basic operator types, used to perform arithmetic and comparison operations:
- Arithmetic operators: , -, *, /, %, used to perform addition, subtraction, multiplication, division and modulo operations.
- Comparison operators: ==, !=, >, =,
- Logical operators: and, or, not, used to perform logical operations, such as AND, OR and NOT operations.
The following demonstrates the use of basic operators:
# 加减乘除 print(10 + 5)# 输出:15 print(10 - 5)# 输出:5 print(10 * 5)# 输出:50 print(10 / 5)# 输出:2.0 # 比较 print(10 == 5)# 输出:False print(10 != 5)# 输出:True print(10 > 5)# 输出:True print(10 < 5)# 输出:False # 逻辑 print(True and False)# 输出:False print(True or False)# 输出:True print(not True)# 输出:False
Advanced operators:
Advanced operators provide more advanced computing functions:
- Member operator: in, not in, used to check whether the container contains a certain value.
- Identity operator: is, is not, used to check whether two values point to the same object.
- Bitwise operators: &, |, ^, ~, >, used to perform bit operations.
- Assignment operators: =, =, -=, *=, /=, %=, used to assign values to variables or perform operations on variables.
The following demonstrates the use of advanced operators:
# 成员运算符 list1 = [1, 2, 3] print(2 in list1)# 输出:True # 身份运算符 a = 10 b = a print(a is b)# 输出:True # 位运算符 print(10 & 5)# 输出:0 print(10 | 5)# 输出:15 # 赋值运算符 a = 10 a += 5# 等价于 a = a + 5 print(a)# 输出:15
Composite operator:
The compound operator combines assignment and operation operations to simplify the code:
- Assignment compound operators: =, -=, *=, /=, %=, assign the operation results to variables.
- Bitwise operation compound operators: &=, |=, ^=, >>=,
The following demonstrates the use of compound operators:
# 赋值复合运算符 a = 10 a += 5# 等价于 a = a + 5 print(a)# 输出:15 # 位运算复合运算符 a = 10 a &= 5# 等价于 a = a & 5 print(a)# 输出:0
in conclusion:
python Operators are an indispensable part of the programming language, and mastering the use of operators is essential for efficiently completing various programming tasks. It's important. This article comprehensively analyzes the types and usage of Python operators, from basic operators to advanced compound operators, providing a comprehensive reference guide for developers to help them improve their Python programming capabilities. .
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