Hackerrank Built-in Functions and Lambdas 3

Question 1

What does `all([True, True, True])` return?

Accepted Answer

True

Answer

False

Answer

None

Answer

3

Question 2

What is the result of `round(3.14159, 2)`?

Accepted Answer

3.14

Answer

3.1

Answer

3.142

Answer

3.15

Question 3

What does `enumerate(['a', 'b', 'c'], start=1)` produce?

Accepted Answer

(1,'a'), (2,'b'), (3,'c')

Answer

(0,'a'), (1,'b'), (2,'c')

Answer

['a','b','c']

Answer

(1,2,3)

Question 4

What is the output of `list(zip([1,2,3], ['a','b','c']))`?

Accepted Answer

[(1,'a'), (2,'b'), (3,'c')]

Answer

[[1,'a'], [2,'b'], [3,'c']]

Answer

[1,2,3,'a','b','c']

Answer

{'1':'a','2':'b','3':'c'}

Question 5

Which built-in function converts a string to an integer?

Accepted Answer

int()

Answer

integer()

Answer

str_to_int()

Answer

parse()

Question 6

What does `sum([1, 2, 3], 10)` return?

Accepted Answer

16

Answer

6

Answer

10

Answer

Error

Question 7

What does `len({'a': 1, 'b': 2, 'c': 3})` return?

Accepted Answer

3

Answer

6

Answer

2

Answer

{'a','b','c'}