Sequences

What will be the output of the following Python statement?

>>>"a"+"bc"

• a

• bc

• bca

• abc

What will be the output of the following Python code?

>>> str1 = 'hello'

>>> str2 = ','

>>> str3 = 'world'

>>> str1[-1:]

• olleh

• hello

• h

• o

Suppose listExample is [‘h’,’e’,’l’,’l’,’o’], what is len(listExample)?

• 5

• 4

• None

• Error

What will be the output of the following Python code?

>>>names = ['Amir', 'Bear', 'Charlton', 'Daman'] >>>print(names[-1][-1])

• A

• Daman

• Error

• n

What will be the output of the following Python code snippet?

print([i.lower() for i in "HELLO"])

• [‘h’, ‘e’, ‘l’, ‘l’, ‘o’]

• ‘hello’

• [‘hello’]

• hello

What will be the output of the following Python code snippet?

>>> d = {"john":40, "peter":45}

>>> "john" in d

• True

• False

• None

• Error

What will be the output of the following Python code snippet?

>>> d1 = {"john":40, "peter":45}

>>> d2 = {"john":466, "peter":45}

>>> d1 > d2

• True

• False

• Error

• None

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?

>>> nums = set([1,1,2,3,3,3,4,4])

>>> print(len(nums))

• 7

• 4

• Error: Invalid formation of syntax of set

• 8

Which of the following statements is used to create an empty set?

• { }

• set()

• [ ]

• ( )