---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
c:\Repository\StudyPython_2022_intermediate\pandas\14. DataFrame에 column(컬럼) 추가 _ 삭제하기_Before.ipynb Cell 7' in <cell line: 1>()
----> <a href='vscode-notebook-cell:/c%3A/Repository/StudyPython_2022_intermediate/pandas/14.%20DataFrame%EC%97%90%20column%28%EC%BB%AC%EB%9F%BC%29%20%EC%B6%94%EA%B0%80%20_%20%EC%82%AD%EC%A0%9C%ED%95%98%EA%B8%B0_Before.ipynb#ch0000006?line=0'>1</a> train_data.insert(3, 'Fare10', train_data['Fare'] / 10)
<a href='vscode-notebook-cell:/c%3A/Repository/StudyPython_2022_intermediate/pandas/14.%20DataFrame%EC%97%90%20column%28%EC%BB%AC%EB%9F%BC%29%20%EC%B6%94%EA%B0%80%20_%20%EC%82%AD%EC%A0%9C%ED%95%98%EA%B8%B0_Before.ipynb#ch0000006?line=1'>2</a> #칼럼 3에, Fare10이라는 칼럼을, Fare의 10이라는 value를 넣어라
<a href='vscode-notebook-cell:/c%3A/Repository/StudyPython_2022_intermediate/pandas/14.%20DataFrame%EC%97%90%20column%28%EC%BB%AC%EB%9F%BC%29%20%EC%B6%94%EA%B0%80%20_%20%EC%82%AD%EC%A0%9C%ED%95%98%EA%B8%B0_Before.ipynb#ch0000006?line=2'>3</a> train_data.head()
File c:\Repository\StudyPython_2022_intermediate\venv\lib\site-packages\pandas\core\frame.py:4440, in DataFrame.insert(self, loc, column, value, allow_duplicates)
4434 raise ValueError(
4435 "Cannot specify 'allow_duplicates=True' when "
4436 "'self.flags.allows_duplicate_labels' is False."
4437 )
4438 if not allow_duplicates and column in self.columns:
4439 # Should this be a different kind of error??
-> 4440 raise ValueError(f"cannot insert {column}, already exists")
4441 if not isinstance(loc, int):
4442 raise TypeError("loc must be int")
ValueError: cannot insert Fare10, already exists