print(r'\n\n\n')
print('\\\\')
print('''1
... 2''')
print(True or False)

print(999999999999999999999999999999999999999*500000)

print(ord('我'))
print(chr(65))

print('中文'.encode('utf-8'))

print(b'\xe4\xb8\xad\xe6\x96\x87'.decode('UTF-8'))


print(len('1'))

str = '你好 %s' % '叶明鸣'
print(str)