# Functions go here
def string_check(question, valid_ans_list, num_letters):
    """Checks that users enter the full word
    or the 'n' letter/s of a word from a list of valid responses"""

    while True:

        response = input(question).lower()

        for item in valid_ans_list:
            if response == item:
                return item

            elif response == item[:num_letters]:
                return item
        print(f"Please choose an option from the list {valid_ans_list}")


shape_list = ['circle', 'square', 'rectangle', 'parralelogram']

shape_select = string_check("Pick a shape: ", shape_list, 1)
print(f"You chose {shape_select}")