Python pickle dump load

import pickle

with open(‘mydata.pickle‘,‘wb‘) as mysavedata:
    pickle.dump([1,2,‘three‘], mysavedata)
with open(‘mydata.pickle‘,‘rb‘) as myrestoredata:
    a_list=pickle.load(myrestoredata)
print(a_list)

import pickle
import nester

new_man=[ ]
try:
    with open(‘mydata.pickle‘,‘rb‘) as man_file:
        new_man=pickle.load(man_file)
except IOError as err:
    print(‘file error‘ + str(err))
except pickle.PickleError as perr:
    print(‘pickling error‘ + str(perr))

nester.print_lol(new_man)