Have the function LongestWord(sen) take the sen parameter being passed and return the longest word in the string. If there are two or more words that are the same length, return the first word from the string with that length. Ignore punctuation and assume sen will not be empty. Words may also contain numbers, for example "Hello world123 567"
Question
Have the function LongestWord(sen) take the sen parameter being passed and return the longest word in the string. If there are two or more words that are the same length, return the first word from the string with that length. Ignore punctuation and assume sen will not be empty. Words may also contain numbers, for example "Hello world123 567"
Solution
Sure, here is a Python function that does exactly what you asked for:
def LongestWord(sen):
# Remove punctuation from the string
sen = ''.join(c for c in sen if c.isalnum() or c.isspace())
# Split the string into words
words = sen.split()
# Find the longest word
longest_word = max(words, key=len)
return longest_word
Here's how it works:
-
The first line inside the function uses a generator expression to create a new string that doesn't include any punctuation. It does this by iterating over each character in the input string, and only including it in the new string if it's either a letter, a number, or a space.
-
The second line splits this new string into words. In Python, the
split()method splits a string into a list of words based on spaces. -
The third line finds the longest word in this list of words. The
max()function is used with thekeyparameter set tolen, which means that it will return the item from the list that has the maximum length. -
Finally, this longest word is returned by the function.
Similar Questions
Write a Python function that takes a list of words and return the longest word and the length of the longest one.
A language processing application is being developed to assist users in analyzing text data. One of the functionalities required is the ability to identify and extract the longest word from a given input text. This feature will be useful for tasks such as summarization, keyword extraction, and data analysis. A development team is tasked with implementing this functionality in C++. They create a function named Longest_Word that takes a string input and returns the longest word found within it. To test the functionality of the Longest_Word function, the team creates a simple main program. In this program, they provide various sample text strings and observe the output to ensure that the function correctly identifies the longest word in each string.Sample input and outputOriginal string: "C++ is a general-purpose programming language."Expected output: "general-purpose" (as it is the longest word in the string).
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