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You can create a blank list by using square brackets with no elements inside.

Program 15 A program to create an empty list.

Program15.py Output
File Edit Format Run Options Window Help []

student_names = []
print(student_names)

In Python, a list can have elements of different data types, such as integer, string, boolean and float.

ACCESSING A LIST

Accessing a list means traversing or visiting the elements of a list. There are various ways to
traverse a list, including positive indexing and negative indexing.

Program 16 A program to access elements of a list.

Program16.py
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# Program: Exam Schedule using Positive and Negative Indexing
exam_subjects = ["Math", "Science", "English", "History", "Computer"]
print("List of Exam Subjects:", exam_subjects)
# Positive Indexing → Accessing subjects from the beginning
print("Using Positive Indexing:")
print("The first exam subject is:", exam_subjects[0]) # First exam
print("The third exam subject is:", exam_subjects[2]) # Third exam

# Negative Indexing → Accessing subjects from the end
print("Using Negative Indexing:")
print("The last exam subject is:", exam_subjects[-1]) # Last exam
print("The second last exam subject is:", exam_subjects[-2]) # Second last exam

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