Python Data Inspection: Counting and Searching Sequences โ€” WalkSelf
โฑ 2h 30m ๐Ÿ“š 25 lessons ๐ŸŽง Audio version

Python Data Inspection: Counting and Searching Sequences

Understand how to use Python's built-in methods and functions to quickly count, locate, and verify the contents of sequence data types like lists and strings.

  • ๐Ÿ’ฌ AI instructor
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  • ๐Ÿ• Start anytime
    No schedules or deadlines โ€” learn at your own pace, whenever suits you.
  • ๐ŸŒ In English
    Lessons, tasks and certificate โ€” all fully in your language.

About this course

Python is defined by its versatile sequence data structures. Learning how to efficiently inspect the contents of these structures is the first step toward writing effective and readable code. This course teaches you how to use Python's powerful built-in methods to analyze sequence data. You will move beyond manual looping to utilize optimized functions for counting, searching, and verifying elements in lists, tuples, and strings, making your code cleaner and more robust. What you'll learn: * Understand the fundamental differences between Python sequence data types: lists, tuples, and strings. * Apply the built-in `count()` method to accurately determine the frequency of any element within a sequence. * Locate specific elements using the `index()` method and handle errors gracefully when targeted items are not found. * Practice using essential built-in functions like `len()`, `min()`, and `max()` for rapid sequence analysis. * Learn best practices for iterating over sequences and performing conditional checks for complex counting scenarios. The course begins by defining sequence types and their core properties. We then systematically explore the methods available for inspecting, searching, and counting elements, reinforcing concepts with practical code examples and written exercises. This course is designed for absolute beginners in Python programming. No prior experience with programming or data structures is required. Start mastering Python's foundational data inspection tools today.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ๐ŸŽง Audio version included
    Learn on the go โ€” no screen needed
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    2h 30m of practical content

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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