How to read a single character at a time from a file in Python?

Question

Can anyone tell me how can I do this?

Answer 1

f = open('hi.txt', 'w')
f.write('0123456789abcdef')
f.close()
f = open('hej.txt', 'r')
f.seek(12)
print f.read(1) # This will read just "c"