CodingBat Python Warmup-2 array

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Python > Warmup-2 > array_count9
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Given an array of ints, return the number of 9's in the array.

array_count9([1, 2, 9]) → 1
array_count9([1, 9, 9]) → 2
array_count9([1, 9, 9, 3, 9]) → 3
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def array_count9(nums):

See also Python Example Code. Python help docs: Python Strings | Python Lists | Python If Boolean

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