❮ List Methods ExampleGet your own Python Server What is the position of the value "cherry": fruits = ['apple', 'banana', 'cherry'] x = fruits.index("cherry") Try it Yourself » Definition and UsageThe inde
Master Python for data science and gain in-demand skills. Start Learning for Free What is the index() Function? The methodindex()returns the lowest index in the list where the element searched for appears. Let's try it out: list_numbers=[1,2,3,4,5,6,7,8,9,10]element=3list_number...
The Predicate<T> is a delegate to a method that returns true if the object passed to it matches the conditions defined in the delegate. The elements of the current List<T> are individually passed to the Predicate<T> delegate. This method performs a linear search; therefore, this method is...
ThePredicate<T>is a delegate to a method that returnstrueif the object passed to it matches the conditions defined in the delegate. The elements of the currentList<T>are individually passed to thePredicate<T>delegate. The delegate has the signature: ...
ThePredicate<T>is a delegate to a method that returnstrueif the object passed to it matches the conditions defined in the delegate. The elements of the currentList<T>are individually passed to thePredicate<T>delegate. The delegate has the signature: ...
Example 2: Use of List index() Method If the specific element is not found in the list, the program returns aValueError. The following program is demonstrating the same. # declaring the listsx=["ABC","XYZ","PQR","ABC","XYZ","PQR"]y=["PQR","MNO","YXZ","YXZ"]z=["123","456...
Starting with the .NET Framework 2.0, this method uses the collection's objects'EqualsandCompareTomethods onitemto determine whether item exists. In the earlier versions of the .NET Framework, this determination was made by using theEqualsandCompareTomethods of theitemparameter on the objects in ...
to the end of the list, and finds the second occurrence of the string. Finally, the IndexOf(T, Int32, Int32) method overload is used to search a range of two entries, beginning at index location two; it returns –1 because there are no instances of the search strin...
ThePredicate<T>is a delegate to a method that returnstrueif the object passed to it matches the conditions defined in the delegate. The elements of the currentList<T>are individually passed to thePredicate<T>delegate. The delegate has the signature: ...
Searches for the specified value and returns the one-based index of the last occurrence within the entire List. Syntax AL 复制 Index := List.LastIndexOf(Value: T) Parameters List Type: List An instance of the List data type. Value Type: T The value to locat...