# lists - square brackets
my_lists = ['a', 'b', 'c', 'd']

print(my_lists)

print(my_lists[0])

# tuples: uses parenthesis. slicing same as lists
my_tuples = ("abc", "def", "ghi")
print(my_tuples[0])


# sets
my_set = set()
my_set.add("john")
my_set.add("pter")
my_set.add("matt")
my_set.add("luke")
print(my_set(2))

# dictionaries: key value pairs
hey = {"key": "value1", "key2": "value2", "key3": [1, 2, 3, 4, 5]}
print(hey["key2"])
