hhow do use pickle code example

Example 1: pickle a dictionary

import pickle #credits to stack overflow user= blender

a = {'hello': 'world'}

with open('filename.pkl', 'wb') as handle:
    pickle.dump(a, handle, protocol=pickle.HIGHEST_PROTOCOL)

with open('filename.pkl', 'rb') as handle:
    b = pickle.load(handle)

print (a == b)

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)