How to realize vowel Statistics in python

This article mainly shows you "how to achieve vowel statistics in python". The content is simple and clear. I hope it can help you solve your doubts. Let me lead you to study and learn this article "how to achieve vowel statistics in python".

Vowel statistics

The following method counts the number of vowels in the string ('a sound,'e sound, 'isound,' oval,'u'), which is done through a regular expression.

Import re def count_vowels (str): return len (len (re.findall (r'[aeiou]', str, re.IGNORECASE)) count_vowels ('foobar') # 3 count_vowels (' gym') # 0python what are the five characteristics of python: 1. It's easy to learn, and when you develop a program, you focus on solving problems, not understanding the language itself. two。 Object-oriented, compared with other major languages such as C++ and Java, Python implements object-oriented programming in a very powerful and simple way. 3. Portability, Python programs can run on a variety of platforms without modification. 4. Explanation, programs written in Python do not need to be compiled into binary code and can be run directly from the source code. 5. Open source, Python is one of FLOSS (Free / Open Source Software).

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