Python List Examples

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(list1)
print(type(list1))

Output:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
<class 'list'>

list1 = []
print(list1)
print(type(list1))

Output:
[]
<class 'list'>

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(list1[0])

Output:
1

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(list1[-1])

Output:
10

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(list1[0:5])

Output:
[1, 2, 3, 4, 5]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
list1.append(11)
print(list1)

Output:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
list1.insert(0, 0)
print(list1)

Output:
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
list1.remove(10)
print(list1)

Output:
[1, 2, 3, 4, 5, 6, 7, 8, 9]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
list1.pop(0)
print(list1)

Output:
[2, 3, 4, 5, 6, 7, 8, 9, 10]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
del list1[0]
print(list1)

Output:
[2, 3, 4, 5, 6, 7, 8, 9, 10]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
list1.clear()
print(list1)

Output:
[]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(11 in list1)
print(1 in list1)

Output:
False
True

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(len(list1))

Output:
10

list1 = [6, 7, 8, 9, 10, 1, 2, 3, 4, 5]
list1.sort()
print(list1)

Output:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

list1 = [6, 7, 8, 9, 10, 1, 2, 3, 4, 5]
list1.sort(reverse=True)
print(list1)

Output:
[10, 9, 8, 7, 6, 5, 4, 3, 2, 1]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
list1.reverse()
print(list1)

Output:
[10, 9, 8, 7, 6, 5, 4, 3, 2, 1]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
list2 = list1.copy()
print(list2)

Output:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
list2 = [11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
list3 = list1 + list2
print(list3)
print(type(list3))

Output:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
<class 'list'>

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
list2 = [11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
list1.extend(list2)
print(list1)

Output:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]

list1 = [1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10]
list1 = list(set(list1))
print(list1)

Output:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

list1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(list1.index(5))

Output:
4