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Not able to display add labels to existing data

I am trying to execute this cell in jupyter but the following error is thrown tried different methods to solve but no use
This is the line that throws error:
data['label'] = data['label'].apply(lambda x:labelling(x))
---------------------------------------------------------------------------
KeyError Traceback (most recent call last)
~\Anaconda3\lib\site-packages\pandas\core\indexes\base.py in get_loc(self, key, method, tolerance)
3628 try:
-> 3629 return self._engine.get_loc(casted_key)
3630 except KeyError as err:
~\Anaconda3\lib\site-packages\pandas\_libs\index.pyx in pandas._libs.index.IndexEngine.get_loc()
~\Anaconda3\lib\site-packages\pandas\_libs\index.pyx in pandas._libs.index.IndexEngine.get_loc()
pandas\_libs\hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
pandas\_libs\hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
KeyError: 'label'
The above exception was the direct cause of the following exception:
KeyError Traceback (most recent call last)
~\AppData\Local\Temp\ipykernel_10844\3353650739.py in <module>
35 return label
36
---> 37 data['label'] = data['label'].apply(lambda x:labelling(x))
~\Anaconda3\lib\site-packages\pandas\core\frame.py in __getitem__(self, key)
3503 if self.columns.nlevels > 1:
3504 return self._getitem_multilevel(key)
-> 3505 indexer = self.columns.get_loc(key)
3506 if is_integer(indexer):
3507 indexer = [indexer]
~\Anaconda3\lib\site-packages\pandas\core\indexes\base.py in get_loc(self, key, method, tolerance)
3629 return self._engine.get_loc(casted_key)
3630 except KeyError as err:
-> 3631 raise KeyError(key) from err
3632 except TypeError:
3633 # If we have a listlike key, _check_indexing_error will raise
KeyError: 'label'

why do I get the keyerror exception?

here's the part of my code in googlecolab where I get the error :
arguments = {'Epoch':6000, 'LearningRate':0.005}
SoftmaxRegression = Multinomial_Regression(X_train,y_train,arguments)
SoftmaxRegression.fit(X_train,y_train)
KeyError Traceback (most recent call last)
/usr/local/lib/python3.7/dist-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
3360 try:
-> 3361 return self._engine.get_loc(casted_key)
3362 except KeyError as err:
7 frames
pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.Int64HashTable.get_item()
pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.Int64HashTable.get_item()
KeyError: 1
The above exception was the direct cause of the following exception:
KeyError Traceback (most recent call last)
/usr/local/lib/python3.7/dist-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
3361 return self._engine.get_loc(casted_key)
3362 except KeyError as err:
-> 3363 raise KeyError(key) from err
3364
3365 if is_scalar(key) and isna(key) and not self.hasnans:
KeyError: 1
Can you help me please ?
PS : Multinomial_Regression reffers to a class that is built before
the code source : https://www.kaggle.com/code/vitorgamalemos/multinomial-logistic-regression-from-scratch

Error while i running my code during the trainning of my model

load training control
12119
---------------------------------------------------------------------------
KeyError Traceback (most recent call last)
/usr/local/lib/python3.7/dist-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
3360 try:
-> 3361 return self._engine.get_loc(casted_key)
3362 except KeyError as err:
14 frames
pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
KeyError: '/GaCo07'
The above exception was the direct cause of the following exception:
KeyError Traceback (most recent call last)
/usr/local/lib/python3.7/dist-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
3361 return self._engine.get_loc(casted_key)
3362 except KeyError as err:
-> 3363 raise KeyError(key) from err
3364
3365 if is_scalar(key) and isna(key) and not self.hasnans:
KeyError: '/GaCo07'

I can't subset rows in pandas this way: df[0] (or with any integer)

I loaded a csv and then tried to get the first row with the row index number
import pandas as pd
pkm = pd.read_csv('datasets/pokemon_data.csv')
pkm[0]
But for some reason I get this error, as far as I know, you can subset the way I did.
---------------------------------------------------------------------------
KeyError Traceback (most recent call last)
~/Desktop/ml/ml_env/lib/python3.9/site-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
3079 try:
-> 3080 return self._engine.get_loc(casted_key)
3081 except KeyError as err:
pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
KeyError: 0
The above exception was the direct cause of the following exception:
KeyError Traceback (most recent call last)
<ipython-input-6-19c40ecbd036> in <module>
----> 1 X[0]
~/Desktop/ml/ml_env/lib/python3.9/site-packages/pandas/core/frame.py in __getitem__(self, key)
3022 if self.columns.nlevels > 1:
3023 return self._getitem_multilevel(key)
-> 3024 indexer = self.columns.get_loc(key)
3025 if is_integer(indexer):
3026 indexer = [indexer]
~/Desktop/ml/ml_env/lib/python3.9/site-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
3080 return self._engine.get_loc(casted_key)
3081 except KeyError as err:
-> 3082 raise KeyError(key) from err
3083
3084 if tolerance is not None:
KeyError: 0
When I use .iloc or .loc I don't face any issues
I used pandas 1.1.5 and 1.2.0 and I got the same error
This is how the data looks:
pokemon_data

pkm[0] calls for the column named 0 in pkm. That's why it's not working.
Try pkm['HP'] or using a column name and it will be clear.

Trying to convert the dataframe into the prophet expected format. Issue with ds

#Covnvert the dataframe into the prophet expected format.
apple.rename(columns={'close': 'y', 'date': 'ds'},inplace=True)
apple['ds'] = pd.to_datetime(apple['ds'])
apple['y']=apple['y'].astype(float)
Error output below:
---------------------------------------------------------------------------
KeyError Traceback (most recent call last)
/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
2888 try:
-> 2889 return self._engine.get_loc(casted_key)
2890 except KeyError as err:
pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
KeyError: 'ds'
The above exception was the direct cause of the following exception:
KeyError Traceback (most recent call last)
<ipython-input-5-67265c944d5c> in <module>
1 #Covnvert the dataframe into the prophet expected format.
2 apple.rename(columns={'close': 'y', 'date': 'ds'},inplace=True)
----> 3 apple['ds'] = pd.to_datetime(apple['ds'])
4 apple['y']=apple['y'].astype(float)
/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pandas/core/frame.py in __getitem__(self, key)
2897 if self.columns.nlevels > 1:
2898 return self._getitem_multilevel(key)
-> 2899 indexer = self.columns.get_loc(key)
2900 if is_integer(indexer):
2901 indexer = [indexer]
/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
2889 return self._engine.get_loc(casted_key)
2890 except KeyError as err:
-> 2891 raise KeyError(key) from err
2892
2893 if tolerance is not None:
KeyError: 'ds"*