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String manipulation

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  • 11 questions
  • 39 marks
  • about 40 minutes
  • marked instantly

Question types: short answer, multiple choice, true or false.

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The variable word holds "Computer". Identify the OCR Exam Reference Language that returns "put".

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About this resource

OCR GCSE Computer Science (J277) 2.2.3 Additional programming techniques: basic string manipulation (concatenation and slicing). Python lesson 6 of 10 in 2.2 Programming fundamentals, with OCR Exam Reference Language beside the Python: a spot-the-mistakes Do Now, a short key idea, a 9-challenge l…

17 slides.

Lesson outline

  1. Do Now: spot the 3 mistakes
  2. Do Now: answers
  3. Key idea: Length and index
  4. Key idea: Slicing and substring: the exam trap
  5. Quick check: start, then how many
  6. Key idea: Loop through a string; case and codes
  7. Set 1: length, index and slice
  8. Set 2: join and build
  9. Set 3: loop through a string
  10. Exam question E1: complete the outputs
  11. Model answer E1
  12. Exam question E2: join two words
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