CBSE 2026 · Central · Set 4 · Q7 · 1 mark
Which of the following statements is true about dictionaries in Python ?
Official answer
From CBSE’s own marking scheme for this paper.
(B)
A dictionary cannot have two elements with same key.
Marking-scheme solution
(B)
A dictionary cannot have two elements with same key.
Revision of PythonDictionariesRemembermcq
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CBSE Class 12 Computer Science past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.