有df,
Remarks Unnamed: 13 Unnamed: 14 Unnamed: 15
0 ttttttt 3 3.333 =10000/(10000-(h2+i2)*100)
1 ttttttt 3 3.300
2 ttttttt 3 3.333
和kwargs
kwargs = {'Unnamed: 13': '3',
'Unnamed: 15': ''}
这没有问题。
print(df[(df["Unnamed: 13"] == "3") & (df["Unnamed: 15"] == "")])
和结果
Remarks Unnamed: 13 Unnamed: 14 Unnamed: 15 _id \
1 ttttttt 3 3.300 5ae21c969268ff4118df7f8b
2 ttttttt 3 3.333 5ae21c969268ff4118df7f8c
我做了这个表情。
find_key_and_val =str(' & '.join(["(df["+"\""+key+"\"" + "] == " + "\"" + val + "\")" for key, val in kwargs.items()]))
打印(find_key_and_val)
(df["Unnamed: 13"] == "3") & (df["Unnamed: 15"] == "")
然后我应用了它。
print(df[find_key_and_val])
这将导致以下错误:
Traceback (most recent call last):
File "C:\Users\tlsdy\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\indexes\base.py", line 2525, in get_loc
return self._engine.get_loc(key)
File "pandas\_libs\index.pyx", line 117, in pandas._libs.index.IndexEngine.get_loc
File "pandas\_libs\index.pyx", line 139, in pandas._libs.index.IndexEngine.get_loc
File "pandas\_libs\hashtable_class_helper.pxi", line 1265, in pandas._libs.hashtable.PyObjectHashTable.get_item
File "pandas\_libs\hashtable_class_helper.pxi", line 1273, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: '(df["Unnamed: 13"] == "3") & (df["Unnamed: 15"] == "")'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:/python_project_ab/amazon/property.py", line 201, in <module>
print(df[find_key_and_val])
File "C:\Users\tlsdy\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\frame.py", line 2139, in __getitem__
return self._getitem_column(key)
File "C:\Users\tlsdy\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\frame.py", line 2146, in _getitem_column
return self._get_item_cache(key)
File "C:\Users\tlsdy\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\generic.py", line 1842, in _get_item_cache
values = self._data.get(item)
File "C:\Users\tlsdy\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\internals.py", line 3843, in get
loc = self.items.get_loc(item)
File "C:\Users\tlsdy\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\indexes\base.py", line 2527, in get_loc
return self._engine.get_loc(self._maybe_cast_indexer(key))
File "pandas\_libs\index.pyx", line 117, in pandas._libs.index.IndexEngine.get_loc
File "pandas\_libs\index.pyx", line 139, in pandas._libs.index.IndexEngine.get_loc
File "pandas\_libs\hashtable_class_helper.pxi", line 1265, in pandas._libs.hashtable.PyObjectHashTable.get_item
File "pandas\_libs\hashtable_class_helper.pxi", line 1273, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: '(df["Unnamed: 13"] == "3") & (df["Unnamed: 15"] == "")'
KeyError: '(df["Unnamed: 13"] == "3") & (df["Unnamed: 15"] == "")'
我应该怎么办?