You prepare a list to send to the insurance company. As you finish, you notice you misformatted it. Given a dictionary with at least one key/value pair, convert all the values to numbers.
convert_to_number({ "piano": "200" }) ➞ { "piano": 200 }
convert_to_number({ "piano": "200", "tv": "300" }) ➞ { "piano": 200, "tv": 300 }
convert_to_number({ "piano": "200", "tv": "300", "stereo": "400" }) ➞ { "piano": 200, "tv": 300, "stereo": 400 }