Untitled

from replit import clear

def operator_check()
"""Validating operator input"""
  while True:
    operation = input("Pick an operator: '+', '-', '*' or '/': ")
    if operation != "+" and operation != "-" and operation !="*" and operation != "/":
      print("Invalid input, try again")
    else:
      return operation
      break

def calculating(first_num, second_num, operator):
  """Preforms an arithmetical operation with first two
  entered argumets, based on the argument of the third parameter"""
  if operator == "+":
    return first_num + second_num
  elif operator == "-":
    return first_num - second_num
  elif operator == "*":
    return first_num * second_num
  else:
    return round(first_num / second_num, 2)

again = False

while True:
  

  if again == False:
    first_number = float(input("Enter the first number: "))
  else:
    first_number = result
  operation = operator_check()
  second_number = float(input("Enter the second number: "))


  result = calculating(first_number, second_number, operation)
  print(f"{first_number} {operation} {second_number} = {result}")
  new_calc = input(f"Type 'y' to continue calculating with {result}, or type 'n' to start a new calculation: ")

  if new_calc == "y":
    again = True
  elif new_calc == "n":
    clear()