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Define a class to accept a string and convert it into uppercase. Count and display thenumber of vowels in it.Input: roboticsOutput: ROBOTICSNumber of vowels: 3

Question

Define a class to accept a string and convert it into uppercase.

Count and display the number of vowels in it.

Input: robotics
Output: ROBOTICS
Number of vowels: 3

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Solution

Problem Breakdown

  1. Define a class that will accept a string as input.
  2. Implement a method to convert the string to uppercase.
  3. Implement a method to count the number of vowels in the string.
  4. Display the uppercased string and the count of vowels.

Relevant Concepts

  • String Manipulation: To change characters in a string.
  • Vowel Identification: A function to check if a character is a vowel (A, E, I, O, U).

Analysis and Detail

  1. Create a class called StringProcessor.
  2. In the class, include methods for:
    • convert_to_upper: Converts the input string to uppercase.
    • count_vowels: Counts the vowels in the input string.
  3. Use appropriate string and list functions to perform the tasks.

Verify and Summarize

  • Ensure that the methods work correctly by testing with the input "robotics".
  • Confirm that the output is "ROBOTICS" and the vowel count is 3.

Final Answer

class StringProcessor:
    def __init__(self, input_string):
        self.input_string = input_string

    def convert_to_upper(self):
        return self.input_string.upper()

    def count_vowels(self):
        vowels = "aeiouAEIOU"
        return sum(1 for char in self.input_string if char in vowels)

# Example usage
input_str = "robotics"
processor = StringProcessor(input_str)
upper_str = processor.convert_to_upper()
vowel_count = processor.count_vowels()

print(f"Output: {upper_str}")
print(f"Number of vowels: {vowel_count}")

Output:

Output: ROBOTICS
Number of vowels: 3

This problem has been solved

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