Fix errors for Index.drop, Index.reindex (#58454)

Author: shriyakalakata

ci/code_checks.sh

@@ -106,7 +106,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
  -i "pandas.Index PR07" \
  -i "pandas.Index.append PR07,RT03,SA01" \
  -i "pandas.Index.difference PR07,RT03,SA01" \
- -i "pandas.Index.drop PR07,SA01" \
  -i "pandas.Index.duplicated RT03" \
  -i "pandas.Index.get_indexer PR07,SA01" \
  -i "pandas.Index.get_indexer_for PR01,SA01" \
@@ -120,7 +119,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
  -i "pandas.Index.nunique RT03" \
  -i "pandas.Index.putmask PR01,RT03" \
  -i "pandas.Index.ravel PR01,RT03" \
- -i "pandas.Index.reindex PR07" \
  -i "pandas.Index.slice_indexer PR07,RT03,SA01" \
  -i "pandas.Index.str PR01,SA01" \
  -i "pandas.Index.symmetric_difference PR07,RT03,SA01" \

pandas/core/indexes/base.py

@@ -3953,6 +3953,7 @@ def reindex(
  Parameters
  ----------
  target : an iterable
+ An iterable containing the values to be used for creating the new index.
  method : {None, 'pad'/'ffill', 'backfill'/'bfill', 'nearest'}, optional
  * default: exact matches only.
  * pad / ffill: find the PREVIOUS index value if no exact match.
@@ -6686,6 +6687,8 @@ def drop(
  Parameters
  ----------
  labels : array-like or scalar
+ Array-like object or a scalar value, representing the labels to be removed
+ from the Index.
  errors : {'ignore', 'raise'}, default 'raise'
  If 'ignore', suppress error and existing labels are dropped.
 
@@ -6699,6 +6702,11 @@ def drop(
  KeyError
  If not all of the labels are found in the selected axis
 
+ See Also
+ --------
+ Index.dropna : Return Index without NA/NaN values.
+ Index.drop_duplicates : Return Index with duplicate values removed.
+
  Examples
  --------
  >>> idx = pd.Index(["a", "b", "c"])