List - Class XI

Which of the following commands will create a list?

• list1 = list()

• list1 = []

• list1 = list([1, 2, 3])

• all of the mentioned

What is the output when we execute list(“hello”)?

• [‘hello’]

• [‘h’, ‘e’, ‘l’, ‘l’, ‘o’]

• [‘llo’]

• [‘olleh’]

What will be the output of the following Python code?

a=[10,23,56,[78]]

b=list(a)

a[3][0]=95

a[1]=34

print(b)

• [10,34,56,[95]]

• [10,23,56,[78]]

• [10,23,56,[95]]

• [10,34,56,[78]]

Which of the following would give an error?

• list1=[]

• list1=[]*3

• list1=[2,8,7]

• None of the above

Which of the following is True regarding lists in Python?

• Lists are immutable.

• Size of the lists must be specified before its initialization

• Elements of lists are stored in contagious memory location.

• size(list1) command is used to find the size of lists.

What will be the output of below Python code?

list1=[8,0,9,5]

print(list1[::-1])

• [5,9,0,8]

• [8,0,9]

• [8,0,9,5]

• [0,9,5]

What will be the output of following Python code?

list1=["Python","Java","c","C","C++"]

print(min(list1))

• c

• C++

• C

• min function cannot be used on string elements

What will be the result after the execution of above Python code?

list1=[3,2,5,7,3,6]

list1.pop(3)

print(list1)

• [3,2,5,3,6]

• [2,5,7,3,6]

• [2,5,7,6]

• [3,2,5,7,3,6]

Suppose list1 is [4, 2, 2, 4, 5, 2, 1, 0], Which of the following is correct syntax for slicing operation?

• print(list1[0])

• print(list1[:2])

• print(list1[:-2])

• all of the mentioned

What will be the output of below Python code?

list1=["tom","mary","simon"]

list1.insert(5,8)

print(list1)

• ["tom", "mary", "simon", 5]

• ["tom", "mary", "simon", 8]

• [8, "tom", "mary", "simon"]

• Error