delta alpha alpha rhs alpha int function int int now we will consider more significantly involved exampleone with name on the rhs firstpython recognizes the three tokens on the rhs these are the name "alphathe "+and the literal integer secondit looks up the names the "alphais replaced by the integer and the name "+is replaced by the actual function that does addition the token is replaced by the actual integer in memory thirdit runs the function to give an integer object in memory