python pandas coding

The Job Role Columns holds the job information for each individual in this census snapshot. Using this column, create a Bar Chart that shows the count of 'Unique' Jobs per Job Group in the "Job$-$Role" Column in ascending order, as per the provided image below

The above code gave the following error

$---------------------------------------------------------------------------$

KeyError Traceback $($most recent call last$)$

File ~$\backslash$anaconda$3\backslash$lib$\backslash$site$-$packages$\backslash$pandas$\backslash$core$\backslash$indexes$\backslash$base$.$py:$3802,$ in Index.get$\_$loc$($self$,$ key, method, tolerance$)$

$3801$ try:

$->3802$ return self.$\_$engine.get$\_$loc$($casted$\_$key$)$

$3803$ except KeyError as err:

File ~$\backslash$anaconda$3\backslash$lib$\backslash$site$-$packages$\backslash$pandas$\backslash \_$libs$\backslash$index$.$pyx:$138,$ in pandas.$\_$libs.index.IndexEngine.get$\_$loc$()$

File ~$\backslash$anaconda$3\backslash$lib$\backslash$site$-$packages$\backslash$pandas$\backslash \_$libs$\backslash$index$.$pyx:$165,$ in pandas.$\_$libs.index.IndexEngine.get$\_$loc$()$

File pandas$\backslash \_$libs$\backslash$hashtable$\_$class$\_$helper.pxi:$5745,$ in pandas.$\_$libs.hashtable.PyObjectHashTable.get$\_$item$()$

File pandas$\backslash \_$libs$\backslash$hashtable$\_$class$\_$helper.pxi:$5753,$ in pandas.$\_$libs.hashtable.PyObjectHashTable.get$\_$item$()$

KeyError: 'Job Role'

The above exception was the direct cause of the following exception:

KeyError Traceback $($most recent call last$)$

Cell In$[47],$ line $1$

$---->1$ df$[\text{'}$Job Group'$]=$ df$[\text{'}$Job Role'$].$apply$($lambda x: x$.$split$()[0])$

$3$ # Display the DataFrame with the new 'Job Group' column

$4$ print$("$DataFrame with Job Groups:"$)$

File ~$\backslash$anaconda$3\backslash$lib$\backslash$site$-$packages$\backslash$pandas$\backslash$core$\backslash$frame$.$py:$3807,$ in DataFrame.$\_\_$getitem$\_\_($self$,$ key$)$

$3805$ if self.columns.nlevels $>1$:

$3806$ return self.$\_$getitem$\_$multilevel$($key$)$

$->3807$ indexer $=$ self.columns.get$\_$loc$($key$)$

$3808$ if is$\_$integer$($indexer$)$:

$3809$ indexer $=[$indexer$]$

File ~$\backslash$anaconda$3\backslash$lib$\backslash$site$-$packages$\backslash$pandas$\backslash$core$\backslash$indexes$\backslash$base$.$py:$3804,$ in Index.get$\_$loc$($self$,$ key, method, tolerance$)$

$3802$ return self.$\_$engine.get$\_$loc$($casted$\_$key$)$

$3803$ except KeyError as err:

$->3804$ raise KeyError$($key$)$ from err

$3805$ except TypeError:

$3806$ # If we have a listlike key, $\_$check$\_$indexing$\_$error will raise

$3807$ # InvalidIndexError. Otherwise we fall through and re$-$raise

$3808$ # the TypeError.

$3809$ self.$\_$check$\_$indexing$\_$error$($key$)$

KeyError: 'Job Role'