Day-4 IOAC - ML Python Assessment_12th-Feb-2023

1. What does the following Python code print out? a = [1, 2, 3]; b = [4, 5, 6]; c = a + b; print len(c)

• 3

• 4

• 5

• 6

1.  What list method adds a new item to the end of an existing list?

• append()

• insert()

• pop()

• add()

colors = ["red", "green", "burnt sienna", "blue"]

Output of  >>> "yellow" in colors

• True

• False

• Syntax Error

• None of the above

Which of the following statement is not correct?

• A list is mutable

• A tuple is immutable.

• The append() function is used to add an element.

• The extend() function is used in tuple to add elements in a list

 Let setA={3,6,9}, setB={1,3,9}. What will be the result of the following snippet? print(setA|setB)

• {3,6,9,1,3,9}

• {3,9}

• {1}

• {1,3,6,9}

What will be the output of the following Python code?

>>>t = (1, 2, 4, 3, 8, 9)

>>>[t[i] for i in range(0, len(t), 2)]

• [2, 3, 9]

• [1, 2, 4, 3, 8, 9]

• [1, 4, 8]

• (1, 4, 8)

What will be the output of the following Python code?

>>>t1 = (1, 2, 4, 3)

>>>t2 = (1, 2, 3, 4)

>>>t1 < t2

• True

• False

• Error

• None

To which of the following the “in” operator can be used to check if an item is in it?

• Lists

• Dictionary

• Tuples

• All of the above

init_tuple = [(0, 1), (1, 2), (2, 3)]

result = sum(n for , n in inittuple)

print(result)

• 3

• 6

• 9

• Nothing gets printed.

What will be the output of the following code snippet?

a = {(1,2):1,(2,3):2}

print(a[1,2])

• Key Error

• 1

• {(2,3):2}

• {(1,2):1}