Answered: The following sample file called…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

The following sample file called grades.txt contains grades for several students in an imaginary class. Each line of this file stores a student's name followed by their exam scores. The number of scores might be different for each student.

abdul 10 15 20 30 40
erica 23 16 19 22
haroon 8 22 17 14 32 17 24 21 2 9 11 17
omar 12 28 21 45 26 10
chengjie 14 32 25 16 89
alex 15 22 11 35 36 7 9
bryan 34 56 11 29 6
laxman 24 23 9 45 27

Now, consider the following code.

f = open("grades.txt", "r")

for aline in f:

items = aline.split()

# choose your option for this part

f.close()

Which option prints out only the names of each student in stored in grades.txt?

Question 11 options:

	print(items[0:])
	print(items[0])
	print(items[0][0])

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