list methods python
list.append(x) # append x to end of list
list.extend(iterable) # append all elements of iterable to list
list.insert(i, x) # insert x at index i
list.remove(x) # remove first occurance of x from list
list.pop([i]) # pop element at index i (defaults to end of list)
list.clear() # delete all elements from the list
list.index(x[, start[, end]]) # return index of element x
list.count(x) # return number of occurances of x in list
list.reverse() # reverse elements of list in-place (no return)
list.sort(key=None, reverse=False) # sort list in-place
list.copy() # return a shallow copy of the list
3.67
6
# empty list
print(list())
# vowel string
vowel_string = 'aeiou'
print(list(vowel_string))
# vowel tuple
vowel_tuple = ('a', 'e', 'i', 'o', 'u')
print(list(vowel_tuple))
# vowel list
vowel_list = ['a', 'e', 'i', 'o', 'u']
print(list(vowel_list))
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6
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3.5
3
# Method Description
# append() Adds an element at the end of the list
# clear() Removes all the elements from the list
# copy() Returns a copy of the list
# count() Returns the number of elements with the specified value
# extend() Add the elements of a list (or any iterable), to the end of the current list
# index() Returns the index of the first element with the specified value
# insert() Adds an element at the specified position
# pop() Removes the element at the specified position
# remove() Removes the first item with the specified value
# reverse() Reverses the order of the list
# sort() Sorts the list
# Note: Python does not have built-in support for Arrays, but Py# Method Description
# append() Adds an element at the end of the list
# clear() Removes all the elements from the list
# copy() Returns a copy of the list
# count() Returns the number of elements with the specified value
# extend() Add the elements of a list (or any iterable), to the end of the current list
# index() Returns the index of the first element with the specified value
# insert() Adds an element at the specified position
# pop() Removes the element at the specified position
# remove() Removes the first item with the specified value
# reverse() Reverses the order of the list
# sort() Sorts the list
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3
0
4.17
6
list.append()
list.clear()
list.copy()
list.count()
list.extend()
list.index()
list.insert()
list.pop()
list.remove()
list.reverse()
list.append()
list.clear()
list.copy()
list.count()
list.extend()
list.index()
list.insert()
list.pop()
list.remove()
list.reverse()
list.sort()
sorted(list)
Thank you!
6
0
4.25
8
list.append('Value') #Append to end
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8
0
3.86
10
my_list = ["banana", "cherry", "apple"]
# len() : get the number of elements in a list
print("Length:", len(my_list))
# append() : adds an element to the end of the list
my_list.append("orange")
# insert() : adds an element at the specified position
my_list.insert(1, "blueberry")
print(my_list)
# pop() : removes and returns the item at the given position, default is the last item
item = my_list.pop()
print("Popped item: ", item)
# remove() : removes an item from the list
my_list.remove("cherry") # Value error if not in the list
print(my_list)
# clear() : removes all items from the list
my_list.clear()
print(my_list)
# reverse() : reverse the items
my_list = ["banana", "cherry", "apple"]
my_list.reverse()
print('Reversed: ', my_list)
# sort() : sort items in ascending order
my_list.sort()
print('Sorted: ', my_list)
# use sorted() to get a new list, and leave the original unaffected.
# sorted() works on any iterable type, not just lists
my_list = ["banana", "cherry", "apple"]
new_list = sorted(my_list)
# create list with repeated elements
list_with_zeros = [0] * 5
print(list_with_zeros)
# concatenation
list_concat = list_with_zeros + my_list
print(list_concat)
# convert string to list
string_to_list = list('Hello')
print(string_to_list)
Thank you!
10
0
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