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Python File Input Output: Exercises, Practice, Solution

Python File Input Output[ 21 exercises with solution]

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1. Write a Python program to read an entire text file.
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2. Write a Python program to read first n lines of a file.
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3. Write a Python program to append text to a file and display the text.
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4. Write a Python program to read last n lines of a file.
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5. Write a Python program to read a file line by line and store it into a list.
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6. Write a Python program to read a file line by line store it into a variable.
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7. Write a Python program to read a file line by line store it into an array.
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8. Write a python program to find the longest words.
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9. Write a Python program to count the number of lines in a text file.
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10. Write a Python program to count the frequency of words in a file.
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11. Write a Python program to get the file size of a plain file.
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12. Write a Python program to write a list to a file.
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13. Write a Python program to copy the contents of a file to another file .
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14. Write a Python program to combine each line from first file with the corresponding line in second file.
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15. Write a Python program to read a random line from a file.
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16. Write a Python program to assess if a file is closed or not.
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17. Write a Python program to remove newline characters from a file.
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18. Write a Python program that takes a text file as input and returns the number of words of a given text file.
Note: Some words can be separated by a comma with no space.
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19. Write a Python program to extract characters from various text files and puts them into a list.
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20. Write a Python program to generate 26 text files named A.txt, B.txt, and so on up to Z.txt.
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21. Write a Python program to create a file where all letters of English alphabet are listed by specified number of letters on each line.
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