print('\tWrite, then read, two newline-teriminated lines, using readline:')
p.write('first full line written\n'); p.write('second.\n')
print(repr(p.readline()))
print('\tWrite, then read, two newline-teriminated lines, using readline:')
p.write('first full line written\n'); p.write('second.\n')
print(repr(p.readline()))