a. Write the print outputs at lines 37, 40, 43, and 49-51. b. Identify the pass-by-reference effect in the code and explain the role of the copy() method.
a. Write the print outputs at lines 37, 40, 43, and 49-51. b. Identify the pass-by-reference effect in the code and explain the role of the copy() method.
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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![36
37
4. The parameter passing method of Python and Ruby is 34
called pass-by-assignment since all data values are 35
objects. In pass-by-assignment, the actual parameter value
is assigned to the formal parameter. Therefore, pass-by-
assignment is in effect pass-by-reference. Study the effect
of assignment operator in the Python code next to this
question.
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39
40
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42
43
a. Write the print outputs at lines 37, 40, 43, and 49-51.
b. Identify the pass-by-reference effect in the code and
explain the role of the copy() method.
44
45
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47
48
49
50
51
x = [5, 1, 6, 9]
print (y)
y = x
y [2] = 0
print (x)
x [1] = 77
print (y)
z = x.copy()
x[0] = 11
print (z)
print (x)
print (y)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6c9872f4-07a5-438e-9711-8d7455ed4876%2F5d618a33-8b87-4ebb-b0d2-736ba3f115af%2Fwkbrntj.jpeg&w=3840&q=75)
Transcribed Image Text:36
37
4. The parameter passing method of Python and Ruby is 34
called pass-by-assignment since all data values are 35
objects. In pass-by-assignment, the actual parameter value
is assigned to the formal parameter. Therefore, pass-by-
assignment is in effect pass-by-reference. Study the effect
of assignment operator in the Python code next to this
question.
38
39
40
41
42
43
a. Write the print outputs at lines 37, 40, 43, and 49-51.
b. Identify the pass-by-reference effect in the code and
explain the role of the copy() method.
44
45
46
47
48
49
50
51
x = [5, 1, 6, 9]
print (y)
y = x
y [2] = 0
print (x)
x [1] = 77
print (y)
z = x.copy()
x[0] = 11
print (z)
print (x)
print (y)
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