Python Program Of Calculator With Basic Functionality

def calculator(A,B,N):
    if (N==1):
        return (A + B)
    elif(N==2):
        return (A - B)
    elif(N==3):
        return (A * B)
    elif(N==4):
        return (A / B)
    else:
        print("Please Enter Valid Number.")

print("Basic Calculator Python Progam")
print("_______________________________n")
a = float(input('Please enter the 1st Value: '))
b = float(input('Please enter the 2nd Value: '))

print("What Operation you want to perform?n1. Additionn2. Subtractionn3. Multiplyn4. Divide")

n = int(input())
x = calculator(a,b,n)
print("Output: ",x)

Basic Calculator Python Progam
_______________________________

Please enter the 1st Value: 24
Please enter the 2nd Value: 36
What Operation you want to perform?
1. Addition
2. Subtraction
3. Multiply
4. Divide
1
Output:  60.0

def calculator(x,y):
    add = x+y
    sub = x-y
    mul = x*y
    div = x/y
    
    return add, sub, mul, div
    
def result(N):
    if (N==1):
        return Addition
    elif(N==2):
        return Subtraction
    elif(N==3):
        return Multiplication
    elif(N==4):
        return Division
    else:
        print("Please Enter Valid Number.")
    
print("Basic Calculator Python Progam")
print("_______________________________n")
a = float(input('Please enter the 1st Value: '))
b = float(input('Please enter the 2nd Value: '))

Addition, Subtraction , Multiplication, Division = calculator(a,b)

print("What Operation you want to perform?n1. Additionn2. Subtractionn3. Multiplyn4. Divide")

n = int(input())
x = result(n)
print("Output: ",x)

Basic Calculator Python Progam
_______________________________

Please enter the 1st Value: 5
Please enter the 2nd Value: 4
What Operation you want to perform?
1. Addition
2. Subtraction
3. Multiply
4. Divide
3
Output:  20.0