# test reading a given number of characters
def do(mode):
if mode == 'rb':
enc = None
else:
enc = 'utf-8'
f = open('unicode/data/utf-8_2.txt', mode=mode, encoding=enc)
print(f.read(1))
print(f.read(2))
print(f.read(4))
f.close()
do('rb')
do('rt')