Python Arithmetic Operators

Python operators are fundamental for performing mathematical calculations. Arithmetic operators are symbols used to perform mathematical operations on numerical values. Arithmetic operators include addition (+), subtraction (-), multiplication (*), division (/), and modulus (%).

Addition Operator

In Python, + is the addition operator. It is used to add 2 values.

val1 = 2
val2 = 3

# using the addition operator
res = val1 + val2
print(res)

Output: 

5

Subtraction Operator

In Python, – is the subtraction operator. It is used to subtract the second value from the first value.

val1 = 2
val2 = 3

# using the subtraction operator
res = val1 - val2
print(res)

Output:

-1

Multiplication Operator

Python * operator is the multiplication operator. It is used to find the product of 2 values.

val1 = 2
val2 = 3

# using the multiplication operator
res = val1 * val2
print(res)

Output : 

6

Division Operator 

Python // operator is the division operator. It is used to find the quotient when the first operand is divided by the second.

val1 = 3
val2 = 2

# using the division operator
res = val1 / val2
print(res)

Output:

1.5

Floor Division Operator

The // in Python is used to conduct the floor division. It is used to find the floor of the quotient when the first operand is divided by the second.

val1 = 3
val2 = 2

# using the floor division
res = val1 // val2
print(res)

Output:

1

Modulus Operator

The % in Python is the modulus operator. It is used to find the remainder when the first operand is divided by the second. 

val1 = 3
val2 = 2

# using the modulus operator
res = val1 % val2
print(res)

Output:

1

Exponentiation Operator

In Python, ** is the exponentiation operator. It is used to raise the first operand to the power of the second. 

val1 = 2
val2 = 3

# using the exponentiation operator
res = val1 ** val2
print(res)

Output:

8

Precedence of Arithmetic Operators in Python

Let us see the precedence and associativity of Python Arithmetic operators.

Python Arithmetic Operators – FAQs

What are 7 arithmetic operators in Python?

Python has seven basic arithmetic operators used to perform mathematical operations:

Addition (+): Adds two numbers. result = 3 + 2 # Output: 5

Subtraction (-): Subtracts one number from another. result = 5 – 2 # Output: 3

Multiplication (*): Multiplies two numbers. result = 3 * 2 # Output: 6

Division (/): Divides one number by another, returning a float. result = 6 / 2 # Output: 3.0

Floor Division (//): Divides one number by another, returning an integer. result = 7 // 2 # Output: 3

Modulus (%): Returns the remainder of a division. result = 7 % 2 # Output: 1

Exponentiation (**): Raises one number to the power of another. result = 3 ** 2 # Output: 9

What is the rule for arithmetic operators in Python?

Arithmetic operators in Python follow the standard mathematical order of operations, also known as BODMAS/BIDMAS rules:

1. Brackets
2. Orders (exponentiation, **)
3. Division and Multiplication (/, *, //, %)
4. Addition and Subtraction (+, -)

result = 3 + 2 * 2 ** 2 / 2 - 1  # Output: 6.0
# Explanation: 3 + ((2 * (2 ** 2)) / 2) - 1
#              3 + ((2 * 4) / 2) - 1
#              3 + (8 / 2) - 1
#              3 + 4 - 1
#              7 - 1
#              6.0

What is === in Python?

Python does not have a === operator. In many other programming languages like JavaScript, === is a strict equality operator that checks both the value and the type. In Python, you use == to check for equality and is to check for identity (if two references point to the same object).

What is arithmetic operator?

An arithmetic operator is a symbol that performs a mathematical operation on one or more operands. The basic arithmetic operators in Python include addition (+), subtraction (-), multiplication (*), division (/), floor division (//), modulus (%), and exponentiation (**). These operators are used to perform calculations and return a numeric result.

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• python-basics
• Python-Operators

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