print('%10s%10s' % ('name', 'age'))
print('%10s%10s' % ('zhaozihao', 20))

print('%-10s%-10s' % ('name', 'age'))
print('%-10s%-10s' % ('zhaozihao', 20))

print('%10s%10s' % ('name', 'age'))
print('%10s%10s' % ('zhaozihao', 20))

print('%-10s%-10s' % ('name', 'age'))
print('%-10s%-10s' % ('zhaozihao', 20))
