f = open('sample.txt', 'a+')
f.write('\nPython\n')
f = open('sample.txt', 'r')
t = f.read()
print(t)
f.close

a981c9dfe46d7be66e7aa94b1515ef180b84bad9
<mask token>

<mask token>
f.write('\nPython\n')
<mask token>
print(t)
f.close

f = open('sample.txt', 'a+')
f.write('\nPython\n')
f = open('sample.txt', 'r')
t = f.read()
print(t)
f.close
