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Please help me with this python3 assignment. Write an iterative function, count_consonants(), that accepts a string...

Please help me with this python3 assignment.

Write an iterative function, count_consonants(), that accepts a string (that can include upper and lowercase characters) and returns the number of consonants in that string. A consonant is defined as any letter in the English alphabet other than the vowels a, e, i, o, u.

For example, if you call the function as follows:

count_consonants('correct horse battery staple')

the function should return 20.

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Answer #1 
def count_consonants(s):
    count = 0
    for ch in s:
        if ch.lower() not in "aeiou":
            count += 1
    return count


print(count_consonants('correct horse battery staple'))

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