Matrix from Rows and Columns (Problem 38) - InfyTQ Solution in Python

Matrix from Rows and Columns (Problem 38)

InfyTQ Solution in Python

PROBLEM STATEMENT

University of Washington CSE140 Mid term 2015

Write a function build_index_grid(rows, columns) that, given a number of rows and columns, creates a list of lists of that shape that includes the 'row,column' of that location.

For example, after the following code is executed: new_index_grid = build_index_grid(4,3)
new_index_grid would contain:
[['0,0', '0,1', '0,2'],
['1,0', '1,1', '1,2'],
['2,0', '2,1', '2,2'],
['3,0', '3,1', '3,2']]
Note that these are strings.

After the following code is executed: small_index_grid = build_index_grid(1,1)
small_index_grid would contain: [ ['0,0'] ]

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SOLUTION

#PF-Prac-38 def build_index_grid(rows, columns): result_list = [] for i in range(rows): new_row = [] for j in range(columns): index_string = str(i) + ',' + str(j) new_row.append(index_string) result_list.append(new_row) return result_list rows=4 columns=3 result=build_index_grid(rows,columns) print("Rows:",rows,"Columns:",columns) print("The matrix is:",result) for i in result: print(i)

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