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我有以下代碼，試圖找到my_df中的行，其中column_A中的值包含子字符串'abc'。pandas：查找給定列包含特定子字符串的行
my_df['abc' in my_df.column_A]
，但我得到了以下錯誤：
KeyError Traceback (most recent call last)
<ipython-input-37-9aaddc5e75d8> in <module>()
7
8
----> 9 my_df['abc' in my_df.column_A]
/usr/local/lib/python3.4/dist-packages/pandas/core/frame.py in __getitem__(self, key)
2057 return self._getitem_multilevel(key)
2058 else:
-> 2059 return self._getitem_column(key)
2060
2061 def _getitem_column(self, key):
/usr/local/lib/python3.4/dist-packages/pandas/core/frame.py in _getitem_column(self, key)
2064 # get column
2065 if self.columns.is_unique:
-> 2066 return self._get_item_cache(key)
2067
2068 # duplicate columns & possible reduce dimensionality
/usr/local/lib/python3.4/dist-packages/pandas/core/generic.py in _get_item_cache(self, item)
1384 res = cache.get(item)
1385 if res is None:
-> 1386 values = self._data.get(item)
1387 res = self._box_item_values(item, values)
1388 cache[item] = res
/usr/local/lib/python3.4/dist-packages/pandas/core/internals.py in get(self, item, fastpath)
3539
3540 if not isnull(item):
-> 3541 loc = self.items.get_loc(item)
3542 else:
3543 indexer = np.arange(len(self.items))[isnull(self.items)]
/usr/local/lib/python3.4/dist-packages/pandas/indexes/base.py in get_loc(self, key, method, tolerance)
2134 return self._engine.get_loc(key)
2135 except KeyError:
-> 2136 return self._engine.get_loc(self._maybe_cast_indexer(key))
2137
2138 indexer = self.get_indexer([key], method=method, tolerance=tolerance)
pandas/index.pyx in pandas.index.IndexEngine.get_loc (pandas/index.c:4164)()
pandas/index.pyx in pandas.index.IndexEngine.get_loc (pandas/index.c:4028)()
pandas/src/hashtable_class_helper.pxi in pandas.hashtable.PyObjectHashTable.get_item (pandas/hashtable.c:13166)()
pandas/src/hashtable_class_helper.pxi in pandas.hashtable.PyObjectHashTable.get_item (pandas/hashtable.c:13120)()
KeyError: False
任何想法如何解決這一問題？謝謝！