The Python list.index() method returns the zero-based position of the first matching item. Learn its optional start and stop arguments, how to handle a missing value and how to find every matching position. Syntax Method returns zero-based index element in the list whose value is equal to x. The index() method only returns the first occurrence of the matching element. The optional arguments start and end are interpreted as in the slice notation and are used to limit the… Read More »Python list.index(): Find an Item’s Position and Handle ValueError