I need help with $1\mathrm{.}5.$ I am getting errors: $---------------------------------------------------------------------------$

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

Cell In$[101],$ line $3$

$1$ #TODO Add Code to find the top donors supporting each committee.

$2$ groupcol $=[\text{'}$top$20$donors', 'topcommittees'$]$

$---->3$ campaignsbydonor $=$ df$.$groupby$($groupcol$)[\text{'}$contribution$\_$receipt$\_$amount'$].$sum$().$reset$\_$index$()$

$5$ campaignsbydonors $=[]$

$7$ # when you are done this should display the first five rows from your new dataframe

File ~$/$anaconda$3/$lib$/$python$3\mathrm{.}11/$site$-$packages$/$pandas$/$core$/$frame$.$py:$8402,$ in DataFrame.groupby$($self$,$ by$,$ axis, level, as$\_$index, sort, group$\_$keys, squeeze, observed, dropna$)$

$8399$ raise TypeError$("$You have to supply one of $\text{'}$by$\text{'}$ and 'level'"$)$

$8400$ axis $=$ self.$\_$get$\_$axis$\_$number$($axis$)$

$->8402$ return DataFrameGroupBy$($

$8403$ obj$=$self,

$8404$ keys$=$by$,$

$8405$ axis$=$axis,

$8406$ level$=$level,

$8407$ as$\_$index$=$as$\_$index,

$8408$ sort$=$sort,

$8409$ group$\_$keys$=$group$\_$keys,

$8410$ squeeze$=$squeeze,

$8411$ observed$=$observed,

$8412$ dropna$=$dropna,

$8413)$

File ~$/$anaconda$3/$lib$/$python$3\mathrm{.}11/$site$-$packages$/$pandas$/$core$/$groupby$/$groupby$.$py:$965,$ in GroupBy.$\_\_$init$\_\_($self$,$ obj, keys, axis, level, grouper, exclusions, selection, as$\_$index, sort, group$\_$keys, squeeze, observed, mutated, dropna$)$

$962$ if grouper is None:

$963$ from pandas.core.groupby.grouper import get$\_$grouper

$-->965$ grouper, exclusions, obj $=$ get$\_$grouper$($

$966$ obj,

$967$ keys,

$968$ axis$=$axis,

$969$ level$=$level,

$970$ sort$=$sort,

$971$ observed$=$observed,

$972$ mutated$=$self.mutated,

$973$ dropna$=$self.dropna,

$974)$

$976$ self.obj $=$ obj

$977$ self.axis $=$ obj.$\_$get$\_$axis$\_$number$($axis$)$

File ~$/$anaconda$3/$lib$/$python$3\mathrm{.}11/$site$-$packages$/$pandas$/$core$/$groupby$/$grouper$.$py:$888,$ in get$\_$grouper$($obj$,$ key, axis, level, sort, observed, mutated, validate, dropna$)$

$886$ in$\_$axis, level, gpr $=$ False, gpr$,$ None

$887$ else:

$-->888$ raise KeyError$($gpr$)$

$889$ elif isinstance$($gpr$,$ Grouper$)$ and gpr$.$key is not None:

$890$ # Add key to exclusions

$891$ exclusions.add$($gpr$.$key$)$

KeyError: 'top$20$donors'