'''
字符串
'''
# 转义
print("I\'m \"OK!\"")
print('\\\t\\')
print(r'\\\t\\')
# 换行
print('''line1
line2''')
print('''line1
... line2''')
print('line1 '
      'line2')
print('line1\nline2')
print(r'''line1
... line2''')

'''布尔'''
print(not 3>2)

'''None'''



