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Which of the following functions returns a dictionary mapping group names to group numbers?

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Which of the following functions returns a dictionary mapping group names to group numbers?

(a) re.compile.group

(b) re.compile.groupindex

(c) re.compile.index

(d) re.compile.indexgroup

I had been asked this question in exam.

The question is from Regular Expressions topic in section Regular Expressions and Files of Python

1 Answer

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Best answer
Correct answer is (b) re.compile.groupindex

Best explanation: The function re.compile.groupindex returns a dictionary mapping group names to group numbers.

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