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

Question

In Python, given the name of a file, how can I write a loop that reads one character each time through the loop?

Answer 1

with open(filename) as f:
    while True:
        c = f.read(1)
        if not c:
            print("End of file")
            break
        print("Read a character:", c)