[Python tutorial] 21. List/Array methods

list.append(elmnt)

Adds an element at the end of the list

fruits = ['apple', 'banana', 'cherry']
fruits.append("orange")

list.clear()

Removes all the elements from the list

fruits = ['apple', 'banana', 'cherry', 'orange']
fruits.clear()

list.copy()

Returns a copy of the list

fruits = ['apple', 'banana', 'cherry', 'orange']
x = fruits.copy()

list.count(value)

Returns the number of elements with the specified value

fruits = ['apple', 'banana', 'cherry']
x = fruits.count("cherry")

list.extend(iterable)

Add the elements of a list (or any iterable), to the end of the current list

fruits = ['apple', 'banana', 'cherry']
cars = ['Ford', 'BMW', 'Volvo']
fruits.extend(cars)

list.index(elmnt)

Returns the index of the first element with the specified value

fruits = ['apple', 'banana', 'cherry']
x = fruits.index("cherry")

list.insert(pos, elmnt)

Adds an element at the specified position

fruits = ['apple', 'banana', 'cherry']
fruits.insert(1, "orange")

list.pop(pos)

Removes the element at the specified position

fruits = ['apple', 'banana', 'cherry']
fruits.pop(1)

list.remove(elmnt)

Removes the first item with the specified value

fruits = ['apple', 'banana', 'cherry']
fruits.remove("banana")

list.reverse()

Reverses the order of the list

fruits = ['apple', 'banana', 'cherry']
fruits.reverse()

list.sort(reverse=True|False, key=myFunc)

Sorts the list

cars = ['Ford', 'BMW', 'Volvo']
cars.sort()