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Data science. Unsure about these questions. Could you help Which regular expression matches any positive decimal integer number? O [o-91+ QUESTION 2 What is the

Data science. Unsure about these questions. Could you help
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Which regular expression matches any positive decimal integer number? O [o-91+ QUESTION 2 What is the motivation for precompiling regular expressions? Precompiled regular expressions are more accurate. There are no advantages, it's a purely aesthetic choice. (e) Precompiled regular expressions match faster. QUESTION 3 How many characters does the following string have? r"IIn" 4 2

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