Why did we add the code "and result" in lines 5 and 7 of the above program?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question

Why did we add the code "and result" in lines 5 and 7 of the above program?

def Question1 (m):
'' (list) -> bool - Takes a matrix as parameter and returns a boolean
result' "
result = True
rank = 0
while rang <len (m) and result: # line5
col = 0
while col <ļen (m [row]) and result: #line 7
if (rank! = col):
if m [rank] [col]! = 0:
result = False
%3D
col = col + 1
row = row + 1
return result
Transcribed Image Text:def Question1 (m): '' (list) -> bool - Takes a matrix as parameter and returns a boolean result' " result = True rank = 0 while rang <len (m) and result: # line5 col = 0 while col <ļen (m [row]) and result: #line 7 if (rank! = col): if m [rank] [col]! = 0: result = False %3D col = col + 1 row = row + 1 return result
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