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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. So, negative indexing is done from right to left.
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])
On running the above program, you will get the following output:
Output
Orange Education
65.5
Interdisciplinary Learning
#English
Create a list of ten most common English idioms and phrases in Python.
#Lab Activity
SLICING THE LIST
List slicing refers to extract a specific section of a list. In Python, list slicing is done by using the Slicing
operator(:).
#List in Python 131

