reading and writing python code example

Example 1: print in text file python

price = 33.3
with open("Output.txt", "w") as text_file:
    text_file.write("Purchase Amount: %s price %f" % (TotalAmount, price))

Example 2: python create unreadable save file

import hmac, pickle

# pickle the data
pickled = pickle.dumps(data)
digest =  hmac.new("some-shared-key", pickled, 
                   digestmod=<my choice of hasher>
                   ).hexdigest()

# now save the hashed digest and the pickled data
with open("some-file", "wb") as f:
    # save these in some way you can distinguish them when you read them
    print(digest, file=f)
    print(pickled, file=f)