Python: Reverse only the vowels of a given string
Python Basic - 1: Exercise-71 with Solution
Write a Python program to reverse only the vowels of a given string.
Sample Solution:
Python Code:
def reverse_vowels(str1):
vowels = ""
for char in str1:
if char in "aeiouAEIOU":
vowels += char
result_string = ""
for char in str1:
if char in "aeiouAEIOU":
result_string += vowels[-1]
vowels = vowels[:-1]
else:
result_string += char
return result_string
print(reverse_vowels("w3resource"))
print(reverse_vowels("Python"))
print(reverse_vowels("Perl"))
print(reverse_vowels("USA"))
Sample Output:
w3resuorce Python Perl ASU
Pictorial Presentation:
Flowchart:

Python Code Editor:
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Previous: Write a Python program to find the longest common prefix string amongst an given array of strings. Return false If there is no common prefix.
Next: Write a Python program to check whether a given integer is a palindrome or not.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
Python: Tips of the Day
What is the difference between Python's list methods append and extend?
append: Appends object at the end.
x = [1, 2, 3] x.append([4, 5]) print (x)
Output:
[1, 2, 3, [4, 5]]
extend: Extends list by appending elements from the iterable.
x = [1, 2, 3] x.extend([4, 5]) print (x)
Output:
[1, 2, 3, 4, 5]
Ref: https://bit.ly/2AZ6ZFq
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