The question is
For all films that won at least 1 Oscar, calculate the standard deviation, highest, lowest, and average imdb.rating. Use the sample standard deviation expression.
But why should we use “Oscars” instead of Oscar ?
awards: /Won \d{1,2} Oscars?/
According to the question, shouldn’t the match stage be
awards: /Won \d{1,2} Oscar?/
?
Because we have to match Won 1 Oscar and Won 2 Oscars. That is sometimes with an s and some other times without the s. That is the reason of the question mark. With r? rather than s? you would also match Won 1 Oscam. Probably, not in this data set.
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