E: 11:function1: Slice index is not an int, None, or instance with __index__
E: 11:function1: Slice index is not an int, None, or instance with __index__
E: 15:function2: Slice index is not an int, None, or instance with __index__
E: 15:function2: Slice index is not an int, None, or instance with __index__
E: 24:function3: Slice index is not an int, None, or instance with __index__
