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Python Institute PCAP-31-03 Exam - Topic 5 Question 28 Discussion

How many elements will the list2 list contain after execution of the following snippet?list1 = [False for i in range (1, 10) ]list2 = list1 [-1:1:-1]
C) seven
A) zero
B) five
D) three

Python Institute PCAP-31-03 Exam - Topic 5 Question 28 Discussion

Actual exam question for Python Institute's PCAP-31-03 exam
Question #: 28
Topic #: 5
[All PCAP-31-03 Questions]

How many elements will the list2 list contain after execution of the following snippet?

list1 = [False for i in range (1, 10) ]

list2 = list1 [-1:1:-1]

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Suggested Answer: C


by Kimbery at May 04, 2022, 11:52 AM

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Raina
9 months ago
Definitely zero elements in list2!
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Audrie
9 months ago
Wait, how does slicing work here?
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Ivette
9 months ago
I think it should be three elements.
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Rozella
9 months ago
list2 will be empty, right?
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Jerry
9 months ago
list1 has 9 elements.
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Ryan
10 months ago
I feel like the answer could be zero since the start index is greater than the stop index when slicing backwards.
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Malinda
10 months ago
If I recall correctly, negative slicing starts from the end, so maybe it will return a few elements? I’m a bit confused.
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Albina
10 months ago
I remember practicing a similar question, and I think the slice [-1:1:-1] might give us an empty list.
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Carlene
10 months ago
I think list1 will have nine elements, but I'm not sure how slicing works with negative indices.
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Kiley
10 months ago
Okay, let's think this through. The company has 30 vCPUs and 512GB RAM available, but the new application needs to handle up to 24,000 sessions. That's a huge increase in demand, so I think adding more capacity to the private cloud (option D) might be the best long-term solution, even if it's not the quickest.
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Tamesha
10 months ago
Okay, let me see... The Posse Comitatus Act, that's the one, right? I remember learning about that in my government class. I'm feeling confident about this one.
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Jennifer Burke
4 years ago
[False, False, False, False, False, False, False] The correct answer is 7
upvoted 1 times
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