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Python Institute PCEP-30-02 Exam - Topic 2 Question 23 Discussion

Assuming that the following assignment has been successfully executed:My_list -- [1, 1, 2, 3]Select the expressions which will not raise any exception.(Select two expressions.)
C) my list [6]
A) my_list[-10]
B) my_list|my_Li1st | 3| I
D) my_List- [0:1]

Python Institute PCEP-30-02 Exam - Topic 2 Question 23 Discussion

Actual exam question for Python Institute's PCEP-30-02 exam
Question #: 23
Topic #: 2
[All PCEP-30-02 Questions]

Assuming that the following assignment has been successfully executed:

My_list -- [1, 1, 2, 3]

Select the expressions which will not raise any exception.

(Select two expressions.)

Show Suggested Answer Hide Answer
Suggested Answer: C

The code snippet that you have sent is a loop that checks if a variable ''floor'' is less than or equal to 0 and prints a string accordingly. The code is as follows:

floor = 5 while floor > 0: print(''+'') floor = floor - 1

The code starts with assigning the value 5 to the variable ''floor''. Then, it enters a while loop that repeats as long as the condition ''floor > 0'' is true. Inside the loop, the code prints a ''+'' symbol to the screen, and then subtracts 1 from the value of ''floor''. The loop ends when ''floor'' becomes 0 or negative, and the code exits.

The code outputs five ''+'' symbols to the screen, one for each iteration of the loop. Therefore, the correct answer is C. five.


by Reyes at Aug 06, 2024, 09:20 AM

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Casey
8 months ago
Wait, can you even use my_List like that? Sounds off.
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Janet
8 months ago
C is definitely going to throw an error, right?
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Thaddeus
8 months ago
B looks weird, not sure what it's trying to do.
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Linn
9 months ago
I think D is fine, it won't raise an error.
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Sherita
9 months ago
A will definitely raise an exception.
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Dorothy
9 months ago
I feel like option B is just a mess with all those extra characters, so it should raise an exception too.
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My
9 months ago
I practiced a similar question where negative indices were involved, and I think option C is definitely wrong because of the space in "my list".
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Linwood
9 months ago
I'm not sure about option D; it looks like it might work, but I remember something about syntax issues with the space.
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Reena
10 months ago
I think option A will definitely raise an exception because negative indexing can go out of range.
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Beatriz
10 months ago
I think I've got a handle on this. The key is to identify the options that won't raise any exceptions given the defined list. I'll carefully evaluate each one.
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Jenelle
10 months ago
I'm a bit confused by the syntax in some of these options. "my list [6]" and "my_List- [0:1]" don't look quite right to me. I'll have to double-check those.
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Wynell
10 months ago
Okay, let's see here. Option A with the negative index seems like it could raise an IndexError since the list only goes up to 3. I'll keep that in mind.
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Sylvie
10 months ago
Hmm, this looks tricky. I'll need to carefully read through the options and think about which ones might raise exceptions based on the given list.
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Wava
10 months ago
Alright, I'm feeling pretty confident about this. I'll select the two options that I'm sure won't raise any exceptions and move on to the next question.
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Cheryll
10 months ago
I'm a bit confused by this question. I'm not sure if I fully understand the implications of the different options. I'll need to review my notes and think this through carefully.
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Kristeen
10 months ago
I feel like option E could be a good choice too, since mismatched settings seem like a common issue from what we studied.
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Odette
1 year ago
Wait, what's a 'my_Li1st'? Is that some kind of new Python data structure I haven't heard about yet?
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Melynda
1 year ago
C) my list [6] is a bit tricky. Since the variable is named 'my_list' and not 'my list', this one will raise a NameError. Gotta be careful with variable names!
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Leota
1 year ago
D) my_List- [0:1] looks promising. Slicing a list is a safe operation, and it won't raise any exceptions.
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Gail
1 year ago
B) my_list|my_Li1st | 3| I is a complete mess. It's not even a valid Python expression, so this one is out too.
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Anabel
1 year ago
C) my list [6]
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Corazon
1 year ago
A) my_list[-10]
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Burma
1 year ago
A) my_list[-10] will raise an IndexError, as the index is out of range for the list. It's definitely not a safe option.
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Tijuana
1 year ago
D) my_List- [0:1] is a valid expression, it will return [1].
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Pa
1 year ago
C) my list [6] will raise a SyntaxError, as there should be no space between 'my' and 'list'.
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Felicitas
1 year ago
B) my_list|my_Li1st | 3| I is not a valid expression, it will raise a NameError.
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Wenona
1 year ago
I believe option D will not raise an exception because it's slicing the list.
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Iola
1 year ago
I agree, accessing an index that doesn't exist will raise an exception.
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Margo
1 year ago
I think option A will raise an exception.
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