pandas.RangeIndex — pandas 1.3.5 documentation
pandas.pydata.org › api › pandasRangeIndex is a memory-saving special case of Int64Index limited to representing monotonic ranges. Using RangeIndex may in some instances improve computing speed. This is the default index type used by DataFrame and Series when no explicit index is provided by the user. Parameters start int (default: 0), range, or other RangeIndex instance