python tuple

# A python tuple is enclosed in paranetheses ()

# tuples are immutable, which means once created they can't be

# added to or removed from like lists

>>> a = (1, 2, "three", 4)

>>> a

(1, 2, 'three', 4)

# the number of elements in a tuple

>>> len(a)

4

# take a slice of a tuple

>>> a[1:3]

(2, 'three')