Page 135 - Code_GPT_Class_8
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Program 4: To find the elements in the list using the index value
Program4.py
File Edit Format Run Options Window Help
list1=[13, 25, 41, 63, 82]
Output
print(list1[0]) 13
print(list1[3]) 63
print(list1[4]) 82
Factbot
If a user tries to access a list element by using floating-point indexing, it will result in IndexError.
Negative Indexing
In negative indexing, the indexing starts from -1 which is the last elements of the list, the index of -2
refers to the second last element.
Program 5: To traverse a list by using negative indexing
Program5.py
File Edit Format Run Options Window Help
list1=[13, 25, 41, 63, 82]
Output
print(list1[-2]) 63
print(list1[-1]) 82
print(list1[-4]) 25
Traversing Nested Lists
Nested list can be traversed by using the index operator.
Program 6: To traverse the nested lists
Program6.py
File Edit Format Run Options Window Help
list1=[2, [2002, "Orange", 65.5], [4002, "Orange Education", 46.5]]
print(list1[2][1])
print(list1[1][2])
List in Python 133

