"""
Felix Muzny
DS 2000
Lecture 10 - Oct. 11

Putting the *fun* into functions!
"""
import random


# write a function that:
# 1. rolls two dice
# 2. returns their sum
def roll_two_dice():
    """
    Rolls two dice and returns the sum.
    No parameters
    :return: int sum of two dice
    """
    die1 = random.randint(1, 6)
    die2 = random.randint(1, 6)
    total = die1 + die2
    return total


# Think about:
# a function that makes a list of some given length (int parameter)
# of roll_two_dice values


# Functions and returns
# functions will EITHER display (printing, plotting) OR
# do a computation (return of the result, no printing, no plotting)

# write a function that:
# 1. takes an int as a parameter
# 2. print all numbers from 0 to that number [inclusive] (one
# number per line is fine)
def print_ints(max_num):
    """
    Prints numbers from 0 to the int given, including that one.
    :param max_num: int number to go up to
    :return: nothing
    """
    for i in range(max_num + 1):
        print(i)


# write a function that:
# 1. takes a list as a parameter
# 2. prints each sublist in it, always starting from index 0
def print_sublists(ls):
    """
    Prints every sublist from the empty list to the entire list given,
    always starting with the first element
    :param ls: list to print the sublists of
    :return: nothing
    """
    # trust that ls has a value that is a list
    # print(ls[:0]) # []
    # print(ls[:1]) # [first]
    # print(ls[:2]) # [first, second]
    for i in range(len(ls) + 1):
        print(ls[:i])


def main():
    print("lecture 10 - FUNctions!")

    print("Test roll_two_dice:")
    sum1 = roll_two_dice()
    print(sum1)
    print(roll_two_dice())
    print()

    # calling the new print_ints function
    print("Test print_ints")
    print_ints(4)
    print()
    print_ints(10)
    print()

    print("test print_sublists")
    print_sublists([2, 6, 7, 10])


main()