w3resource

Python: Reverse all the words which have odd length

Python Basic - 1: Exercise-136 with Solution

Write a Python program to reverse all words of odd lengths.

Sample Solution-1:

Python Code:

# Define a function 'test' that takes a string as input.
def test(txt):
    # Use a generator expression within 'join' to reverse words with odd length and keep others unchanged.
    return ' '.join(i[::-1] if len(i) % 2 else i for i in txt.split())

# Test case 1
text1 = "The quick brown fox jumps over the lazy dog"
print("Original string:")
print(text1)
print("Reverse all the words of the said string which have odd length:")
print(test(text1))

# Test case 2
text2 = "Python Exercises"
print("\nOriginal string:")
print(text2)
print("Reverse all the words of the said string which have odd length:")
print(test(text2))

Sample Output:

Original string:
The quick brown fox jumps over the lazy dog
Reverse all the words of the said string which have odd length:
ehT kciuq nworb xof spmuj over eht lazy god

Original string:
Python Exercises
Reverse all the words of the said string which have odd length:
Python sesicrexE

Explanation:

Here is a breakdown of the above Python code:

  • test Function:
    • The "test()" function takes a string as input.
    • It uses a generator expression within the "join" method to iterate over the words of the string.
    • For each word, if the length of the word is odd, it reverses the word (i[::-1]), otherwise, it keeps the word unchanged (i).

Flowchart:

Flowchart: Python - Reverse all the words which have odd length.

Sample Solution-2:

Python Code:

# Define a function 'test' that takes a string as input.
def test(text):
    # Split the input string into a list of words using space as the delimiter.
    result = list(text.split(' '))
    
    # Iterate through each word in the list.
    for i in range(len(result)):
        # Check if the length of the current word is odd.
        if len(result[i]) % 2 == 1:
            # If the length is odd, reverse the word.
            result[i] = result[i][::-1]
    
    # Join the modified words back into a string using space as the separator.
    return ' '.join(result)

# Test case 1
text1 = "The quick brown fox jumps over the lazy dog"
print("Original string:")
print(text1)
print("Reverse all the words of the said string which have odd length:")
print(test(text1))

# Test case 2
text2 = "Python Exercises"
print("\nOriginal string:")
print(text2)
print("Reverse all the words of the said string which have odd length:")
print(test(text2))

Sample Output:

Original string:
The quick brown fox jumps over the lazy dog
Reverse all the words of the said string which have odd length:
ehT kciuq nworb xof spmuj over eht lazy god

Original string:
Python Exercises
Reverse all the words of the said string which have odd length:
Python sesicrexE

Flowchart:

Flowchart: Python - Reverse all the words which have odd length.

Python Code Editor:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a Python program to get the Least Common Multiple (LCM) of more than two numbers. Take the numbers from a given list of positive integers.
Next: Write a Python program to find the longest common ending between two given strings.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.



Become a Patron!

Follow us on Facebook and Twitter for latest update.

It will be nice if you may share this link in any developer community or anywhere else, from where other developers may find this content. Thanks.

https://198.211.115.131/python-exercises/basic/python-basic-1-exercise-136.php