Illustrate three operations for:

string manipulation $($e$.$g$.,$ count the number of characters, replacing characters, etc.$)$

lists $($e$.$g$.,$ slicing, adding an element, removing an element, etc.$)$

dictionaries $($e$.$g$.,$ creating a dictionary, update a value, etc.$)$

sets $($e$.$g$.,$ union, intersection, difference, etc.$)$