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added reverse_vowels.py file #3496

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@shivani-yamavaram
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@shivani-yamavaram shivani-yamavaram commented Oct 18, 2020

Describe your change: Added reverse_vowels.py file

Contributing to issue #3362

  • Add an algorithm?
  • Fix a bug or typo in an existing algorithm?
  • Documentation change?

Checklist:

  • I have read CONTRIBUTING.md.
  • This pull request is all my own work -- I have not plagiarized.
  • I know that pull requests will not be merged if they fail the automated tests.
  • This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
  • All new Python files are placed inside an existing directory.
  • All filenames are in all lowercase characters with no spaces or dashes.
  • All functions and variable names follow Python naming conventions.
  • All function parameters and return values are annotated with Python type hints.
  • All functions have doctests that pass the automated testing.
  • All new algorithms have a URL in its comments that points to Wikipedia or other similar explanation.
  • If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.
@Eyakubo
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@Eyakubo Eyakubo commented Oct 19, 2020

New to this site and python. Can't figure out how to insert my python file.

@Eyakubo
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@Eyakubo Eyakubo commented Oct 19, 2020

def reverse_vowels(word):

letters = list(word)
v = []
index = []

for i in range(len(letters)):
    if letters[i] in ["a", "e", "i", "o", "u"]:
        v.append(letters[i])
        index.append(i)

v.reverse()

for i in range(len(index)):
    letters[index[i]]= v[i]


for i in range(len(letters)):
    print letters[i],

reverse_vowels("beautiful")

@Eyakubo
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@Eyakubo Eyakubo commented Oct 19, 2020

Of course, there are some limitations in the script. All the letters of a target word should be lower cased. It can easily be handled with some minor adjustments. The important thing is that the main task is achieved.

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