calculator algorithm python

#Store number variables for the two numbers num1 = input('Enter first number: ') num2 = input('Enter second number: ') #the sum of the two numbers variable sum = float(num1) + float(num2) sum2 = float(num1) - float(num2) sum3 = float(num1) * float(num2) sum4 = float(num1) / float(num2) #what operator to use choice = input('Enter an operator, + = addition, - = subtraction, * = multiplication and / = division: ') #different sums based on the operators if choice == '+': print('The sum of {0} and {1} is {2}'.format(num1, num2, sum)) if choice == '-': print('The sum of {0} and {1} is {2}'.format(num1, num2, sum2)) if choice == '*': print('The sum of {0} and {1} is {2}'.format(num1, num2, sum3)) if choice == '/': print('The sum of {0} and {1} is {2}'.format(num1, num2, sum4))

calculator in python

# try to run this in repl.it to get the better experience

from replit import clear
# from art import logo

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

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

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

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

operations = {
  "+": add,
  "-": subtract,
  "*": multiply,
  "/": divide
}

def calculator():
  print(logo)

  num1 = float(input("What's the first number?: "))
  for symbol in operations:
    print(symbol)
  should_continue = True
 
  while should_continue:
    operation_symbol = input("Pick an operation: ")
    num2 = float(input("What's the next number?: "))
    calculation_function = operations[operation_symbol]
    answer = calculation_function(num1, num2)
    print(f"{num1} {operation_symbol} {num2} = {answer}")

    if input(f"Type 'y' to continue calculating with {answer}, or type 'n' to start a new calculation: ") == 'y':
      num1 = answer
    else:
      should_continue = False
      clear()
      calculator()

calculator()

Posted by: Guest on November-22-2020

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