Prerequisites:
Intro to Computer Science
Course
Learn key computer science concepts in this introductory Python course. You'll learn by doing, and will build your own search engine and social network.
Learn key computer science concepts in this introductory Python course. You'll learn by doing, and will build your own search engine and social network.
Last Updated March 8, 2022
Last Updated March 8, 2022
Prerequisites:
No experience required
Course Lessons
Lesson 1
How to Get Started
Lesson 2
Problem Set
Lesson 3
Problem Set (Optional)
Lesson 4
Q&A
Lesson 5
How to Repeat
Lesson 6
Problem Set
Lesson 7
Problem Set (Optional)
Lesson 8
Problem Set (Optional 2)
Lesson 9
Q&A
Lesson 10
How to Solve Problems
Lesson 11
How to Manage Data
Lesson 12
Problem Set
Lesson 13
Problem Set (Optional)
Lesson 14
Problem Set (Optional 2)
Lesson 15
Responding to Queries
Lesson 16
Problem Set
Lesson 17
Problem Set (Optional)
Lesson 18
How Programs Run
Lesson 19
Problem Set
Lesson 20
Problem Set (Optional)
Lesson 21
Q&A
Lesson 22
How to Have Infinite Power
Lesson 23
Problem Set
Lesson 24
Problem Set 6 Starred
Lesson 25
Q&A
Lesson 26
Past, Present, and Future of Computing
Lesson 27
Cumulative Practice Problems
Lesson 28
Challenging Practice Problems
Lesson 29
Code Editor
Lesson 30
Project Prep
For this project, your job is to take simple text strings like "Alex likes Carla, Ryan, and Priya" and turn them into a social network. To do this, you must complete a number of required procedures, as described on the next screen. You must also create a "make-your-own" procedure.
The Udacity Difference
Combine technology training for employees with industry experts, mentors, and projects, for critical thinking that pushes innovation. Our proven upskilling system goes after success—relentlessly.

Demonstrate proficiency with practical projects
Projects are based on real-world scenarios and challenges, allowing you to apply the skills you learn to practical situations, while giving you real hands-on experience.
Gain proven experience
Retain knowledge longer
Apply new skills immediately

Top-tier services to ensure learner success
Reviewers provide timely and constructive feedback on your project submissions, highlighting areas of improvement and offering practical tips to enhance your work.
Get help from subject matter experts
Learn industry best practices
Gain valuable insights and improve your skills

Enroll in Intro to Computer Science. Choose the plan that works for you
All Access monthly
Cancel Anytime
Unlimited access to our top-rated courses
Hands-on projects with expert feedback
Personalized career coaching and interview prep
Program Certificates
Best Value
All Access bundle1
All the same great benefits as our monthly plan
The most cost-effective way to develop the skills you want
- 1Discount applies to the first 4 months of membership, after which plans are converted to month-to-month.
Your subscription also includes:
Your subscription also includes:

(1248)
2 months
Intermediate

(624)
3 months
Beginner

(624)
2 months
Beginner

(809)
3 months
Intermediate

(1244)
3 months
Beginner

(966)
3 months
Intermediate

(1232)
2 months
Intermediate

(45)
4 months
Advanced

(1339)
5 months
Beginner

(101)
3 months
Advanced

(807)
3 months
Advanced

(323)
4 weeks
Intermediate

(1018)
3 months
Beginner

(498)
3 months
Intermediate

(293)
3 months
Intermediate

(288)
2 months
Beginner