Quiz - Python Programming - Rajendra

What will be the output of the following code :

L = ['a','b','c','d']

print "".join(L)

• Error

• None

• abcd

• [‘a’,’b’,’c’,’d’]

Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after list1.pop(1)?

• [3, 4, 5, 20, 5, 25, 1, 3]

• [1, 3, 3, 4, 5, 5, 20, 25]

• [3, 5, 20, 5, 25, 1, 3]

• [1, 3, 4, 5, 20, 5, 25]

What will be the output of the following code :

print "Hello World"[::-1]

• dlroW olleH

• Hello Worl

• d

• Error

Given a string s = “Welcome”, which of the following code is incorrect?

• print(s[0])

• print(s.lower())

• s[1] = ‘r’

• print(s.strip())

What is the output of the following program :

print("Hello World"[::-1])

• dlroW olleH

• Hello Worl

• d

• Error

What will be the output of the following code :

x = ['ab', 'cd']

for i in x:

    i.upper()

print(x)

• ['ab', 'cd']

• Error

• No output

• None of above

What will be the output of the following code :

for i in [1, 2, 3, 4][::-1]:

          print(i)

• 1 2 3 4

• 4 3 2 1

• Error

• None of the above

What will be the output of the following code :

L = list('123456')

L[0] = L[5] = 0

L[3] = L[-2]

print(L)

• [0, ‘2’, ‘3’, ‘4’, ‘5’, 0]

• [‘6’, ‘2’, ‘3’, ‘5’, ‘5’, ‘6’]

• [‘0’, ‘2’, ‘3’, ‘5’, ‘5’, ‘0’]

• [0, ‘2’, ‘3’, ‘5’, ‘5’, 0]

What will be the output of the following code :

List = [True, 50, 10]

List.insert(2, 5)       

print(List, "Sum is: ", sum(List))

• [True, 50, 10, 5] Sum is: 66

• [True, 50, 5, 10] Sum is: 65

• TypeError: unsupported operand type(s) for +: ‘int’ and ‘str’

• [True, 50, 5, 10] Sum is: 66

Which of the following is an invalid variable?

• my_string_1

• 1st_string

• foo

• _