why is pickle.dump( used in python code example

Example 1: pickle.dump python

import pickle
# dump : put the data of the object in a file
pickle.dump(obj, open(file_path, "wb"))
# dumps : return the object in bytes
data = pickle.dump(obj)

Example 2: pickle python

1 # Load the dictionary back from the pickle file.
   2 import pickle
   3 
   4 favorite_color = pickle.load( open( "save.p", "rb" ) )
   5 # favorite_color is now { "lion": "yellow", "kitty": "red" }