Tuples are used for multiple values inside one variable. They are denoted with parentheses.
coordinates = (40, -40)
If you want to break them apart, you can use bracket notation and index in.
print(coordinates[0])
print(coordinates[1])
You can also unpack them into distinct variables.
latitude, longtiude = coordinates
Tuples do not support item assignment.
coordinates[0] = -42.376 # crash
Tuples are also more memory efficient.