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Module 2 · Python data types, variables, operators, and basic I/O operations

Working with strings

Text is everywhere in real programs. Go beyond writing a string: reach inside it by index and slice, reshape it with built-in methods, and build new text cleanly with f-strings.

Begin lesson 1 →
  1. 1Inside a stringA string is a sequence of characters — index it, slice it, measure it (and never change it).→
  2. 2String methodsupper, lower, strip, replace, split — each hands back a brand-new string.→
  3. 3f-stringsThe modern way to build text: drop variables straight into a string with {curly braces}.→
  4. 4QuizCheck your grip on indexing, slicing, methods and f-strings.→