Retired
count vowels in a string (retired)
329 of 1,095nakulgupta18
Description:
Write a function count_vowels to count the number of vowels in a given string.
Notes:
- Return
nilorNonefor non-string inputs. - Return
0if the parameter is omitted.
Examples:
count_vowels("abcdefg") => 2
count_vowels("aAbcdeEfg") => 4
count_vowels(12) => nil
Fundamentals
Strings
Data Types
Regular Expressions
Declarative Programming
Advanced Language Features
Programming Paradigms
Similar Kata:
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