func_calculator.py

def square(a=int(input("Enter any integer"))):
    a=int(input("Enter any integer"))
    print(f"The square of the number is {a*a} ")
def add() :
    a=int(input("Enter any integer"))
    b=int(input("Enter any number"))
    print(f"The sum of the numbers is {a+b} ")
def sub():
    a=int(input("Enter large integer")) 
    b=int(input("Enter small number"))
    print(f"The sutraction of the numbers is {a-b} ")
def product():
    a=int(input("Enter first number")) ,
    b=int(input("Enter second number"))
    print(f"The product of the numbers is {a*b} ")
def division():
    a=int(input("Enter first number")) 
    b=int(input("Enter second number"))
    print(f"The product of the numbers is {a/b} ")
def remainder():
    a=int(input("Enter the dividend")) 
    b=int(input("Enter the diviser "))
    print(f"The remainder of the division is {a%b} ")


m=input("What operation would you like to perform \n Addition(A),Subtraction(S),Multiplication(M),Division(D),Square(S),Remainder(R) \n Use code given in brackets as an input\n")