python字符串 decode 和 encode

  # str encode 后返回bytes，byts decode后返回str a = '你好' a1 = a.encode('utf-8') # b'\xe4\xbd\xa0\xe5\xa5\xbd' a2 = a.encode('gbk') # b'\xc4\xe3\xba\xc3' a1.decode('utf-8') # 你好 a2.decode('gbk') #

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