Python Dictionaries Explained | Create, Access & Add Key-Value Pairs | Python for Beginners
на канале: Signals and Systems
Source Code for this lecture:
🔗 https://github.com/engrayaz/python-fo...
In this lecture, we learn Python Dictionaries step by step. Dictionaries are one of the most powerful and frequently used data structures in Python. They store data in the form of key-value pairs and allow fast access to information using meaningful keys instead of numerical indices.
This video is part of the “Python for Academic & Engineering Students” series designed for:
• FSc & ICS students (Pakistan)
• College students
• Engineering students
• Mathematics & Physics students
• University beginners
• Anyone learning Python from scratch
In this lecture, you will learn:
• What is a Python Dictionary?
• Creating dictionaries using {}
• Creating dictionaries using the built-in dict() function
• Accessing values using keys
• Adding new key-value pairs
• Different data types as dictionary keys and values
• Real-world examples of dictionaries
Example Topics Covered:
✓ Dictionary Syntax
✓ Key-Value Pairs
✓ Student Marks Dictionary
✓ Accessing Dictionary Elements
✓ Adding New Entries
✓ Integer, String, Float, Boolean and Tuple Keys
✓ Mixed Data Type Dictionaries
Python dictionaries are widely used in:
• Software Development
• Artificial Intelligence
• Machine Learning
• Data Science
• Signal Processing
• Embedded Systems
• Database Applications
This course builds strong programming foundations and prepares students for advanced engineering applications, Machine Learning, Data Science, and Artificial Intelligence.
📌 Python for Academic & Engineering Students Playlist:
• Python for Academic & Engineering Students
Instructor:
Dr. Syed Ayaz Ali Shah
Assistant Professor | Artificial Intelligence | Signal Processing | Machine Learning
📺 YouTube Channel:
/ @signalsandsystems7972
💻 GitHub Repository:
https://github.com/engrayaz/python-fo...
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