python what does pickling data do code example

Example 1: pickle load pickle file

pickle_in = open("dict.pickle","rb")
example_dict = pickle.load(pickle_in)

Example 2: 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)