Answered: For the main program, you should take…

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

Instructions for Encode Into A Matrix - Part 1 Write a function create_matrix(row_length, column_length) which takes two integers row_length and column_length as inputs. The function returns a nested list (a few lists inside a list). For this lab, we will consider the nested list to contain the same number of elements in all of the inner lists thus making this sort of like a matrix. Hence, we will also use the row and column notation to represent matrices. •The outer nested list contains a list of length row_length and each element of this list is itself a list of length column_length. •The inner lists contain strings (a total of column_length strings), all of which are single space characters(' '). Check the assert statements and input/output examples to understand further. Both row_length and column_length will always be non-negative integers. You can use the assert statements to test that your function behaves as expected.

1 def create_matrix(...):
2
The function expects two integers `row_length` and `column_length`
as input and returns a matrix of dimension `row_length x `column_length`
which contains space characters(`' `)
||||||
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9 if _name__ == '__main__':
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#TODO: Complete this function
row = # TODO: Take the input as an integer from user
column = ... #TODO: Take the input as an integer from user
#Call the function to get the matrix and print it
...
[C'
assert create_matrix(2, 2)
assert create_matrix(2, 3) CC'
assert create_matrix(7, 5)
assert create_matrix(8, 2)
assert create_matrix(0, 19)
assert create_matrix(5, 0) [],[],
[C'
[C'',
==
==
==
==
==
==
"
'], ['',' ']] # 2 rows, 2 columns
'], [' ',
FF 1
**
1
>
T
']] #2 rows, 3 columns
...
1 T
1
''],
'], [' ',
''], ['', ''], ['', '], ['',
"
1
1
'], [''
"'), c'', '], ['', ''], ['',
□, □, □]]
"
1
"
TTI
1
'],

For the main program, you should take the row and column lengths as input from the user and pass them as arguments into the function.
You should then print the return value of the function.
Example
Input:
7
5
Output:
[['
1
Input:
21
1
I
1
'
1
1
'], [' '
'], ['
[נ' '] ,[' '] ,[' '] ,[' '] ,[' '] ,[' '] ,[' ']
"
']]
Output:
[[' '], [' '], [' '], [' '], [' '], [' '], [' '], [''], [''], [''], [''], [''], [' '], [''],

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