Page 2 - Home Assignment

Home Assignment

B) Answer the following:

1. Which of the following commands will create a list?
a) list1 = list() b) list1 = [] c) list1 = list([1, 2, 3]) d) all of the mentioned

2. What is the output when we execute list(“hello”)?
a) [‘h’, ‘e’, ‘l’, ‘l’, ‘o’] b) [‘hello’] c) [‘olleh’] d) error

3. Suppose list_Example is ['h', 'e', 'l', 'l', 'o'], what is len(list_Example)?
a) 5 b) 4 c) None d) Error

4. Suppose list1 is [2445, 133, 12454, 123], what is max(list1) ?
a) 2445 b) 133 c) 12454 d) 123 7.

5. Suppose list1 is [1, 5, 9], what is sum(list1) ?
a) 1 b) 9 c) 15 d) Error

6. Suppose list1 is [2, 33, 222, 14, 25], What is list1[:-1] ?
a) [2, 33, 222, 14] b) Error c) 25 d) [25, 14, 222, 33, 2].

7. What is the output when following code is executed ?
>>>names = ['Amir', 'Bear', 'Charlton', 'Daman']
>>>print(names[-1][-1])
a) A b) Daman c) Error d) n

8. Suppose list1 is [1, 3, 2], What is list1 * 2 ?
a) [2, 6, 4] b) [1, 3, 2, 1, 3] c) [1, 3, 2, 1, 3, 2] d) [1, 3, 2, 3, 2, 1]

9. Suppose list1 = [0.5 * x for x in range(0, 4)], list1 is :
a) [0, 1, 2, 3] b) [0, 1, 2, 3, 4] c) [0.0, 0.5, 1.0, 1.5] d) [0.0, 0.5, 1.0, 1.5, 2.0].

10. What is the output when following code is executed ?
>>>list1 = [11, 2, 23]
>>>list2 = [11, 2, 2]
>>>list1 < list2 is
a) True b) False c) Error d) None

11. To add a new element to a list we use which command ?
a) list1.add(5) b) list1.append(5) c) list1.addLast(5) d) list1.addEnd(5)

12. To insert 5 to the third position in list1, we use which command ?
a) list1.insert(3, 5) b) list1.insert(5, 3) c) list1.add(3, 5) d) list1.append(3, 5)

13. Suppose list1 is [3, 4, 5, 20, 5], what is list1.index(5) ?
a) 0 b) 1 c) 4 d) 2

14. What is the output when following code is executed ?
names1 = ['Amir', 'Bear', 'Charlton', 'Daman']
names2 = names1
names3 = names1[:]
names2[0] = 'Alice'
names3[1] = 'Bob'
sum = 0
for ls in (names1, names2, names3):