class_name_hobbies = [["Jenny", "Breakdancing"],
["Alexus", "Photography"],
["Grace", "Soccer"]]
""" "Jenny" changed their mind and is now more interested in "Meditation".
We will need to modify the list to accommodate the change to our
class_name_hobbies list. To change a value in a two-dimensional list,
reassign the value using the specific index."""
# The list of Jenny is at index 0. The hobby is at index 1.
class_name_hobbies[0][1] = "Meditation"
print(class_name_hobbies)
Would output:
[["Jenny", "Meditation"], ["Alexus", "Photography"], ["Grace", "Soccer"]]
Negative indices will work as well:
# The list of Grace is the last entry. The hobby is the last element.
class_name_hobbies[-1][-1] = "Football"
print(class_name_hobbies)
Would output:
[["Jenny", "Meditation"], ["Alexus", "Photography"],
["Grace", "Football"]]