import pickle
try:
    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)
except IOError as err:
    print('File error:'+str(err))
