Strings — Formula Sheet
CBSE · Class 11 · Computer Science
8 formulas from Strings (CBSE Class 11 Computer Science) on one page, grouped by topic. Includes Basic Slicing and Stepped Slicing.
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Formulas and Key Relations
Indexing and Length
str1[n-1]
str1[-n]
Slicing
str1[n:m]
str1[n:m:k]
(m-n)
str1[::-1]
Slicing and Reversing
Basic Slicing
str1[n:m] [n = start index inclusive, m = end index exclusive].
Stepped Slicing
str1[n:m:k] [k = step size, default 1].
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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