Purpose of this assignment: The purpose of this assignment is to understand function and file.
Problem Statement: Write a program that reads the name of a data file which contains student ids (such as c1234500) and their scores. The program will find and print the average score, the number of students processed, the student ID with the highest score, and the processed output as shown in the sample output.
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Sample Input files:
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Sample output 1
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Sample output 2
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score3.txt
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c1234500 91.5
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Enter the file name: score3.txt
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Enter the file name: score.txt
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c1234501 83
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score.txt does not exist.
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c1234502 96
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There are 8 record in the file
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c1234503 63.5
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The average of the scores is 85.5
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Enter the file name: score.dat
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c1234504 82
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score.dat does not exist.
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c1234506 78
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Student ID score Grade standing
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c1234507 95
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c1234500 91.5 A above
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Enter the file name: score4.txt
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c1234510 95
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c1234501 83.0 B below
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c1234502 96.0 A above
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There are 3 student records.
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score4.txt
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c1234503 63.5 D below
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The average score is 90.2
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C5432101 95
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c1234504 82.0 B below
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c5432102 83.5
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c1234506 78.0 C below
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Student ID score Grade standing
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c5432103 92
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c1234507 95.0 A above
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C5432101 95.0 A above
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c1234510 95.0 A above
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c5432102 83.5 B below
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c5432103 92.0 A above
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c1234502 have the highest score of 96
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C5432101 have the highest score of 95
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REQUIREMENTS:-
1) Print the purpose of the program.
2) Your program must read an input file name interactively.
3) If file does not exist. print error message and keep asking the user to enter another file name.
4) Your program should read and count student records from the file until the end of file.
5) Your program will find and print the average score, the number of students processed
6) Your program will find and print the student ID with the highest score
7) The processed output is displayed in the table format as shown in the sample output. The program output should show ID, score, standing. and the letter grade (A for >90, B for >80, C for >70, D for >60. otherwise F).
8) Program Structure: Your program must define and call the following functions. You may define other functions.
• find standing(scores, avg) # find and return the list that stores the standing of each student as either above or below.
• print tables(id list, scores list. stand list): given 3 lists print the table as shown above.
• letter_grade(score) # find and return the letter grade for the score
• open_file() # returns the successfully opened file object
10) Your program must have a beginning comment block and proper documentation as in ola 1.