DOC: Typo in docs for na_values parameter in pandas.read_csv function #59314 (#59318)

* fixed formatting of default na values

* bug fix

* fixing docstring formatting

* fixing formatting for quoting

Author: kushagr96

pandas/io/parsers/readers.py

@@ -142,8 +142,7 @@ class _read_shared(TypedDict, Generic[HashableT], total=False):
     _read_shared = dict
 
 
-_doc_read_csv_and_table = (
-    r"""
+_doc_read_csv_and_table = r"""
 {summary}
 
 Also supports optionally iterating or breaking of the file
@@ -272,10 +271,7 @@ class _read_shared(TypedDict, Generic[HashableT], total=False):
 na_values : Hashable, Iterable of Hashable or dict of {{Hashable : Iterable}}, optional
     Additional strings to recognize as ``NA``/``NaN``. If ``dict`` passed, specific
     per-column ``NA`` values.  By default the following values are interpreted as
-    ``NaN``: " """
-    + fill('", "'.join(sorted(STR_NA_VALUES)), 70, subsequent_indent="    ")
-    + """ ".
-
+    ``NaN``: "{na_values_str}".
 keep_default_na : bool, default True
     Whether or not to include the default ``NaN`` values when parsing the data.
     Depending on whether ``na_values`` is passed in, the behavior is as follows:
@@ -357,8 +353,7 @@ class _read_shared(TypedDict, Generic[HashableT], total=False):
 quotechar : str (length 1), optional
     Character used to denote the start and end of a quoted item. Quoted
     items can include the ``delimiter`` and it will be ignored.
-quoting : {{0 or csv.QUOTE_MINIMAL, 1 or csv.QUOTE_ALL, 2 or csv.QUOTE_NONNUMERIC, \
-3 or csv.QUOTE_NONE}}, default csv.QUOTE_MINIMAL
+quoting : {{0 or csv.QUOTE_MINIMAL, 1 or csv.QUOTE_ALL, 2 or csv.QUOTE_NONNUMERIC, 3 or csv.QUOTE_NONE}}, default csv.QUOTE_MINIMAL
     Control field quoting behavior per ``csv.QUOTE_*`` constants. Default is
     ``csv.QUOTE_MINIMAL`` (i.e., 0) which implies that only fields containing special
     characters are quoted (e.g., characters defined in ``quotechar``, ``delimiter``,
@@ -544,8 +539,7 @@ class _read_shared(TypedDict, Generic[HashableT], total=False):
 col 2    datetime64[ns]
 col 3    datetime64[ns]
 dtype: object
-"""
-)
+"""  # noqa: E501
 
 
 class _C_Parser_Defaults(TypedDict):
@@ -756,6 +750,9 @@ def read_csv(
         summary="Read a comma-separated values (csv) file into DataFrame.",
         see_also_func_name="read_table",
         see_also_func_summary="Read general delimited file into DataFrame.",
+        na_values_str=fill(
+            '", "'.join(sorted(STR_NA_VALUES)), 70, subsequent_indent="    "
+        ),
         _default_sep="','",
         storage_options=_shared_docs["storage_options"],
         decompression_options=_shared_docs["decompression_options"]
@@ -888,6 +885,9 @@ def read_table(
         see_also_func_summary=(
             "Read a comma-separated values (csv) file into DataFrame."
         ),
+        na_values_str=fill(
+            '", "'.join(sorted(STR_NA_VALUES)), 70, subsequent_indent="    "
+        ),
         _default_sep=r"'\\t' (tab-stop)",
         storage_options=_shared_docs["storage_options"],
         decompression_options=_shared_docs["decompression_options"]