What are the meanings of python arithmetic symbols?

Python operation symbol meaning: 1. Plus sign ( ): used for addition operation; 2. Minus sign (-): used for subtraction operation; 3. Multiplication sign (*): used for multiplication operation; 4 , Division sign (/): used for division operations; 5. Modulo operator (%): returns the remainder of division; 6. Power operator ()**: used for exponential operations; 7. Integer division operator (// ): Returns the integer result of division; 8. Assignment operator (=): used for assignment; 9. Comparison operator: used to compare the size of two values; 10. Logical operator: used to combine Boolean expressions.

The operating system for this tutorial: Windows 10 system, Python version 3.11.4, Dell G3 computer.

The operation symbols and their meanings in Python are as follows:

1. Plus sign ( ): used for addition operations.

python

a = 2  
b = 3  
c = a + b  # c的值为5

2. Minus sign (-): used for subtraction operations.

python

a = 5  
b = 3  
c = a - b  # c的值为2

3. Multiplication sign (*): used for multiplication operations.

python

a = 2  
b = 3  
c = a * b  # c的值为6

4. Division sign (/): used for division operations.

python

a = 10  
b = 2  
c = a / b  # c的值为5.0（浮点数结果）

5. Modulo operator (%): Returns the remainder of division.

python

a = 10  
b = 3  
c = a % b  # c的值为1

6. Power operator ()**: used for exponential operations.

python

a = 2  
b = 3  
c = a ** b  # c的值为8（2的3次方）

7. Integer division operator (//): Returns the integer result of division.

python

a = 10  
b = 3  
c = a // b  # c的值为3（整数结果）

8. Assignment operator (=): used for assignment.

python

a = 5  # 将5赋值给a

9. Comparison operator: used to compare the size of two values. Return True or False.

==: equal to (equal operator)

!=: not equal to (not equal to operator)

>: greater than (greater than operator)

<: less than (less than operator)

>=: greater than or equal to (greater than or equal to operator)

<=: less than or equal to (less than or equal to operator) (symbol)

10. Logical operators: used to combine Boolean expressions.

and: logical AND (if both operands are True, the result is True)

or: logical OR (if at least one of the two operands is True, the result is True)

not: logical NOT (reverse the Boolean value of the operand)

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