seek - Qiita

s = """\ AAA BBB CCC DDD """ with open('test.txt', 'w') as f: f.write(s) with open ('test.txt', 'r') as f: print(f.tell()) print(f.read(1)) f.seek(5) print(f.read(1)) f.seek(14) print(f.read(1)) f.seek(15) print(f.read(1)) f.seek(5) print(f.read(1))