In this tutorial, we will learn** how to create a simple calculator using python functions to perform the arithmetic operations like Addition, Subtraction, Multiplication, and Division by getting the inputs from the user.**

Python is a language that is easy to learn and use. Python is a great language for beginners and experienced programmers alike. Python is an interpreted, high-level, general-purpose programming language.

## Simple Calculator using Python using Functions

First, we will create the functions to add, sub, mul, and div two numbers. The function will take two parameters, a, and b, and return the respective arithmetic operations of the two numbers.

```
# Create a Simple Calculator using Python
#Functions defined for arithmetic Operations
def sum(a,b):
return a + b
def sub(a,b):
return a - b
def mul(a,b):
return a * b
def div(a,b):
return a / b
# Requesting for User inputs
x = float(input("Enter the first number: "))
y = float(input("Enter the Second number: "))
operations = input("Opertion (sum / sub / mul / div) : ")
# if else Loops to Perform opertions
if operations == 'sum':
print (sum (x,y))
elif operations == 'sub':
print (sub(x,y))
elif operations == 'mul':
print (mul(x,y))
elif operations == 'div':
print (div(x,y))
else:
print ("Invalid input")
```

### The output of Simple Calculator

```
PS E:\Users\adminpc> py .\basic1.py
Enter the first number: 1
Enter the Second number: 1
Opertion (sum / sub / mul / div) : sum
2.0
PS E:\Users\adminpc> py .\basic1.py
Enter the first number: 1024
Enter the Second number: 2
Opertion (sum / sub / mul / div) : mul
2048.0
```

## Conclusion

From this tutorial, you have learned **how to create a simple calculator using python functions**

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