calculator.py

import calculator_art

def add(n1, n2):
    return n1 + n2

def sub(n1, n2):
    return n1 - n2

def multiply(n1, n2):
    return n1 * n2

def divide(n1, n2):
    return n1 / n2

operations = {
    '+': add,
    '-': sub,
    '*': multiply,
    '/': divide
}

# print(operations['*'](4,8))
def calculator():
    print(calculator_art.logo)
    should_accumulate = True
    num1 = float(input("What is the first number?: "))

    while should_accumulate:
        for symbol in operations:
            print(symbol)
        operation_symbol = input("Pick an operation to perform: ")
        num2 = float(input("What is the second number?: "))
        answer = operations[operation_symbol](num1, num2)
        print(f"{num1} {operation_symbol} {num2} = {answer}")

        choice = input(f"Type 'y' to continue calculating with {answer}, or type 'n' to start a new calculation: ")

        if choice == 'y':
            num1 = answer
        else:
            should_accumulate = False
            print("\n" * 20)
            calculator()

calculator()