# Adobe Connect, coding workshop, 6.10.2021
print("Welcome!")

# ask number and check if it's numeric or not
number = input("Numbers: (max five):\n")
number = str(number)

# this checks only letters and numbers
# spaces are not a letter or a number in this case
if number.isalnum():
    print("Text is only letters and numbers.")
else:
    print("You have something else there as well, don't ya?")

# for this purpose, isnumeric() works better!
if number.isnumeric():
    is_number = True
else:
    is_number = False

print(is_number)

# NEW FILE

# THIS IS A NEW VERSION OF THE CLIENT ID EXAMPLE FROM LECTURE 4
# HOW TO PRINT MULTIPLE ERROR MESSAGES AT ONCE AND HOW TO USE A
# BOOLEAN FOR CHECKING INPUT VALIDITY

# example, a client id follows this format: C1324_4356

try:
    client = input("Give a client id:\n")

    valid_id = True

    # the length of the client id should be 10 characters
    text_length = len(client)

    # client id should be 10 characters long
    # and 6th character should be an underscore!
    if text_length != 10:
        print("Client id length not correct.")
        valid_id = False

    # the first letter here should be C
    # first check if text is not empty before checking first letter
    # otherwise it will crash
    if text_length > 0:
        if client[0] != "C":
            print("Client id should start with 'C'.")
            valid_id = False

    # only check underscore if string is at least 6 characters so
    # that application doesn't crash
    if text_length >= 6:
        if client[5] != "_":
            print("Underscore is missing!")
            valid_id = False

    # only print the information if the id was in valid format!
    if valid_id:
        # everything seems to be okay
        id = client[0:5]
        order = client[6:10]
        order = int(order)

        print(id)
        print(order)

except Exception as e:
    print("Error: " + str(e))

# NEW FILE

# Example: ask the user two different
# numbers and then multiple
# them with each other and round to third decimal.

# try this with some decimal numbers, for example
# 15.8756 and 14.6713 or something like that

number1 = input("Give number 1:\n")
number1 = float(number1)

number2 = input("Give number 2:\n")
number2 = float(number2)

# do the calculation
result = number1 * number2

# only round just before printing out
# avoid intermediate roundings!
# otherwise you might lose precision in calculations
# and the results won't be 100% correct
result = round(result, 3)
print(f"The result is: {result}")