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Python Institute PCAP-31-03 Exam - Topic 7 Question 27 Discussion

What would you use instead of XXX if you want to check whether a certain ' key' exists in a dictionary called diet? (Select two answers)IIif XXX:print("Key exists")
B) diet['key'] != None and D) 'key' in diet.keys()
A) 'key' in diet
C) diet.exists('key')

Python Institute PCAP-31-03 Exam - Topic 7 Question 27 Discussion

Actual exam question for Python Institute's PCAP-31-03 exam
Question #: 27
Topic #: 7
[All PCAP-31-03 Questions]

What would you use instead of XXX if you want to check whether a certain ' key' exists in a dictionary called diet? (Select two answers)

II

if XXX:

print("Key exists")

Show Suggested Answer Hide Answer
Suggested Answer: B, D

by Joseph at May 04, 2022, 09:05 AM

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Elise
9 months ago
I thought you had to use .get() for that!
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Tawna
9 months ago
Wait, does 'key' in diet really check for existence?
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Elin
9 months ago
No way, C is not a valid method.
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Lamar
9 months ago
I think B could work too, right?
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Kerry
9 months ago
A and D are correct!
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Lauran
10 months ago
I thought there was a method like exists, but I can't recall if that's valid for dictionaries. I guess C is wrong?
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Jose
10 months ago
I remember something about using 'in' and maybe checking keys, so I think A and D could be correct.
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Aileen
10 months ago
I think option A is definitely one of the answers since we practiced using 'in' for checking keys in dictionaries.
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Trevor
10 months ago
I'm not too sure about option B; I feel like checking if it's not None might not be the best way to confirm a key exists.
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Catarina
10 months ago
This seems like a straightforward question about the different types of corporate meetings. I'll focus on recalling the key characteristics of each meeting type to determine which one is considered a "meeting of directors or management."
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Kris
10 months ago
I'm a little confused by the wording of this question. I'll need to re-read it a few times to make sure I'm interpreting it correctly before answering.
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Jennifer Burke
4 years ago
A and D both return 'key exists'
upvoted 1 times
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