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CBSE Class 12 Computer Science Question 122 of 145

File Handling — Question 2

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Question

Question 2

A file sports.dat contains information in following format:
Event - Participant
Write a function that would read contents from file sports.dat and creates a file named Atheletic.dat copying only those records from sports.dat where the event name is "Atheletics".

Answer

Let the file "sports.dat" include the following sample records:

Athletics - Rahul
Swimming - Tanvi
Athletics - Akash
Cycling - Kabir
Athletics - Riya

def filter_records(input_file, output_file):
    with open(input_file, 'r') as f_in:
        with open(output_file, 'w') as f_out:
            for line in f_in:
                event, participant = line.strip().split(' - ')
                if event == 'Athletics':
                    f_out.write(line)

 
filter_records('sports.dat', 'Athletic.dat')

The file "Atheletic.dat" includes following records:

Athletics - Rahul
Athletics - Akash
Athletics - Riya