Example
List Indexing and Modification
Accessing list elements by index. Changing and removing elements.
Results for “negative index”
6 results
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Example
String Indexing and Slicing
…individual characters and text fragments. Zero-based indexing in Python.
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Challenge
Crew roster
…Commander: Okafor Newest member: Kowalska Crew size: 4 Indexes start at 0, as in strings. crew[-1] is the last item whatever the list's length, and len(crew) counts the items. The whole roster Add the…
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Challenge
Off-by-one slice
…tag CG-0042 gives -004. Predict it, work out where indexes start and where a slice ends, fix it, then slice a sample label yourself.
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Quiz
Python Strings Quiz
…beginner quiz on Python strings: 15 questions on joining, indexing, slicing, len(), split(), join() and string methods, with instant answers.
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Article Python Fundamentals
Python Functions for Beginners
…most common syntax error in this whole topic. Everything indented under the def line is the body of the function. Python uses that indentation (four spaces is the convention) to work out where the…
