Python Test 3

Question 2: What will be the output of the following code?

s1={3,4,5,6}
s2={4,5,6,7}
print(s1&s2)

• {3,4,5,6,7}
• {3,7}
• {4,5,6}
• SyntaxError

Question 3: What is the output of the following code?

>>> a='Hello '
>>> b='World'
>>> a+b

• SyntaxError
• 'Hello World'
• 'Hello '
• ' World'

Question 4: What will be the output of the following code?

a=5
b=10
a, b = b, a
print(a, b)

• 5 10
• 10 5
• 0 0
• SyntaxError

Question 5: What is the value of the following arithmetic expression 5*4**2?

• 40
• 80
• 100
• SyntaxError

Question 6: Which of the following are valid complex number objects?

• 2+3j
• 2j+3
• 0j
• 2 + 3x

Question 7: A list can contain _________ elements.

• Unlimited (depends on computer's memory)
• 10000
• 1 Million
• 10 Million

Question 8: If ['one', 'four', 'three', 'two'] is a list object, the sort() function will return:

• ['four', 'three', 'two', 'one']
• ['four', 'one', 'three', 'two']
• ['one', 'two', 'three', 'four']
• None of the above

Question 9: What will be the output of the following code?

x = [x for x in range(10) if x<5] print(x)

• [1, 2, 3, 4, 5]
• []
• [5, 6, 7, 8, 9]
• [0, 1, 2, 3, 4]

Question 10: What will be the output of the following code?

lst = [1, 2, 3, 4, 5]
del lst[:]
print(lst)

• [1, 2, 3, 4, 5]
• []
• SyntaxError
• NameError: name 'lst' is not defined

Question 11: What will be output of the following expression:

n= max('ten', 10, 10.00)
Print(n)

• ten
• TypeError
• 10
• None of the above

Question 12: What will be the output of the following code?

names = ('Jeff', 'Bill', 'Steve', 'Yash') 
a, b, c, d = names 
print("Hello", a)

• Hello Jeff
• Hello Yash
• Hello
• SyntaxError

Question 13: Which of the following methods cannot be used with tuple?

• index()
• insert()
• count()
• None of these

Question 14: Which of the following statements is true?

• Dictionary is a sequence of key-value pairs.
• Dictionary is an indexed collection of key-value pairs.
• Dictionary is an unordered collection of key-value pairs
• None of these

Question 15: To delete a key value pair in dictionary, use

• del() method
• pop() method
• del keyword
• remove()