Bot-4

def do_calculation():
    print("Lets "+command+" some numbers")
    input1=input("Number1>")
    input2=input("Number2>")
    number1=int(input1)
    number2=int(input2)
    if command=="add":
      result=number1+number2
      operator="+"
    elif command=="subtract":
      result=number1-number2
      operator="-"
    output=str(result)
    print(input1+operator+input2+"="+output)
finished=False
while finished==False:
  print("Hi, I am a Genie, your personal bot!")
  print("Let's do magics!")
  users_name=input("What is your name?")
  print("Hi, "+users_name+", Welcome!")
  command=input("How can I help ?")
  if command=="add":
    do_calculation()
  elif command=="subtract":
    do_calculation()
  elif command=="calc circle" or command=="crcl":
    print("Let's calc the area of circle!")
    input1=input("diameter in cm ")
    input2=3.14
    input3=4
    number1=int(input1)
    number2=float(input2)
    number3=int(input3)
    result=number1*number1*number2/number3
    output=str(result)
    print(input1+"*"+input1+"*"+"3.14"+"/"+"4"+"="+output)
  elif command=="calc squared" or command=="sqrd":
    print("Let's calc the area of squared!")
    input=input("side in cm ")
    number=int(input)
    result=number*number
    output=str(result)
    print(input+"*"+input+"="+output)
  elif command=="average":
    how_many=input("how many numbers>?")
    how_many=int(how_many)
    total=0
    for number_count in range(how_many):
        number=input("Enter number "+str(number_count) +"> ")
        total=total+int(number)
        result=total/how_many
    print("the average= "+str(result))
  elif command=="shopping":
    shopping=[]

    how_many=input("how many items of shopping do you have?")
    how_many=int(how_many)

    for item_number in range(how_many):
        item=input("What is item number "+str(item_number+1) +"? ")
        shopping.append(item)

    print(shopping)

    shopping=len(shopping)
    shopping=str(shopping)
    print("You have "+shopping+" items in your list")
  elif command=="bye":
    finished=True
  else:
    print("I don't understand it!")
    print("Bye! "+users_name)