Count Vowels

Count Vowels

Undefined
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This function should take a string as an input and return the count of vowels (a, e, i, o, u) in the string. The function should be case-insensitive.

example

Input: String (str).

Output: Integer (int).

Examples:

assert count_vowels("hello") == 2
assert count_vowels("openai") == 4
assert count_vowels("typescript") == 2
assert count_vowels("a") == 1

How it’s used:

  • in natural language processing tasks, like text analysis and statistics;
  • in text-based games or learning applications, for instance, to calculate the difficulty level of a word or phrase.

Preconditions:

  • text ∈ string;
  • length(text) >= 0.

Settings
Code:
Other:
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Hot keys:
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Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.

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