Question

The variable sentence stores a string. Write code to determine how many words in sentence start and
end with the same letter, including one-letter words. Store the result in the variable same_letter_count.
sentence = "students flock to the arb for a variety of outdoor activities such as jogging​

Answer 1

Python code to count the no.of words in sentence which start and  end with the same letter, including one-letter words.

Language used : Python Programming

Program :

sentence=list(str(input("Enter the sentence : ")).split(' '))

same_letter_count=0

for i in sentence:

   if len(i)==1 or i[:1]==i[-1:]:

       same_letter_count+=1

print("No. of words that starts and ends with same letter, including one-letter words are : ",same_letter_count)

Input :

Enter the sentence : students flock to the arb for a variety of outdoor activities such as jogging​

Output :

No. of words that starts and ends with same letter, including one-letter words are :  2

Justification :

If we see the inputted sentence, it has only two words that starts and ends with the same letter. They are : students and a. So, the code passes the testcase and it is perfect!

Explanation :

• Take a variable named 'sentence' and input a sentence as a string and thereby, converting it into a list by stripping the letters by space, assign that list of words to the variable 'sentence'.

• Make a variable same_letter_count and assign 0 to it. Use it to assign the count.

• Write a for loop using a list with i as an iterable, that brings out each word out of a list at each iteration.

• Entering the loop, check if the length of the string in iterable i is 1. If yes, increase the count.

• If not, check whether the starting and ending letters of the string are same or not, using slicing concept. If yes, increase the count.

• Once every element in the list gets checked, the loop terminates.

• Print same_letter_count that holds the count of words in the sentence start and  end with the same letter, including one-letter words. That's it!

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