Hackerrank Control Flow and Looping 4

Question 1

What is the output of:
```python
for i in range(5):
    if i == 3:
        break
else:
    print('no break')
print('end')
```

Accepted Answer

end

Answer

The break at i==3 prevents the else clause from executing, so only 'end' is printed.

Question 2

What type does `range(5)` return in Python 3?

Accepted Answer

range object

Answer

In Python 3, range() returns a range object (lazy sequence), not a list.

Question 3

What is the output of this code?
```python
x = 0
while x < 5:
    x += 1
    if x == 3:
        continue
    print(x)
```

Accepted Answer

1 2 4 5

Answer

continue skips the print when x == 3, so 3 is not printed but all other values 1-5 are.

Question 4

What does `any([False, False, True, False])` return?

Accepted Answer

True

Answer

any() returns True if at least one element is truthy — here True is present in the list.

Question 5

What is the result of:
```python
total = sum(x**2 for x in range(4))
print(total)
```

Accepted Answer

14

Answer

0²+1²+2²+3² = 0+1+4+9 = 14.

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