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GCSE Computer Science · key term
Extracting a substring by specifying boundaries within a string.
Used by OCR
Paper 2
Revise: Basic String ManipulationTwo useful techniques are concatenation, which joins strings, and slicing, which extracts part of a string. Together, they can build names, messages and usernames from smaller pieces of text.
Check the slicing notation used in the question. Python [start:stop] uses a stop position; substring(start, count) uses a number of characters.
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