PSUP
Authored by Vaibhav Giri
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What will be the output of the following code?**
```python
arr = ["apple", "banana", "cherry"]
print(arr[1][2])
a
n
e
error
Answer explanation
Explanation: The element at index `1` is `"banana"`. The character at index `2` in `"banana"` is `"n"`.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What will be the output of the following pseudo-code?**
```
arr = ["hello", "world", "python"]
print(arr[0][-2])
h
L
o
Error
Answer explanation
Explanation: `arr[0]` is `"hello"`. The index `-2` refers to the second last character, which is `"l"`.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What will happen if you execute the following code?**
```python
arr = ["A", "B", "C"]
print(arr[3])
C
A
B
Error
Answer explanation
Explanation: The index `3` is out of range because `arr` has indices `0`, `1`, and `2` only.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Identify the error in the following code.**
```python
arr = ("one", "two", "three")
arr[1] = "four"
print(arr)
No error
IndexError
SyntaxError
TypeError
Answer explanation
Explanation: `arr` is a tuple, which is immutable, meaning elements cannot be reassigned.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the output of the following code?**
```python
arr = ["cat", "dog", "fox"]
print("-".join(arr))
cat-dog-fox
cat dog fox
cat,dog,fox
Error
Answer explanation
Explanation: The `join()` method concatenates elements of the list with `"-"` as a separator.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the output of the following code?**
```python
arr = ["red", "green", "blue"]
print(arr[::-1])
['red', 'green', 'blue']
['blue', 'green', 'red']
Error
None
Answer explanation
Explanation: `[::-1]` reverses the list.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the output of this pseudo-code?**
```
arr = ["apple", "banana", "cherry"]
print(len(arr[2]))
6
5
7
Error
Answer explanation
Explanation: `"cherry"` has 6 characters.
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