CodingBat scottm@cs.utexas.edu cs305j-set5 countHi

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scottm@cs.utexas.edu cs305j-set5 > countHi
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Return the number of times that the string "hi" appears anywhere in the given string.

countHi("abc hi ho") → 1
countHi("ABChi hi") → 2
countHi("hihi") → 2

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