Python quiz

Multiple Choice

What is the correct syntax to print a string in Python?

• echo "Hello, World!"

• print("Hello, World!")

• printf("Hello, World!")

• System.out.println("Hello, World!")

Multiple Choice

How do you create a list in Python?

• {1, 2, 3}

• (1, 2, 3)

• [1, 2, 3]

• list(1, 2, 3)

Multiple Choice

Which library is used for data manipulation and analysis in Python?

• NumPy

• Pandas

• Matplotlib

• SciPy

Multiple Choice

How do you create a tuple in Python?

• [1, 2, 3]

• {1, 2, 3}

• (1, 2, 3)

• tuple[1, 2, 3]

Multiple Choice

Which of the following is NOT a valid Python data type?

• int

• float

• double

• str

Multiple Choice

How do you install an external Python library?

• install library_name

• python -m pip install library_name

• include library_name

• library_name install

Multiple Choice

What is the output of print(type([]))?

• <class 'list'>

• <type 'list'>

• list

• []

Multiple Choice

How do you start a for loop in Python?

• for (i=0; i<10; i++)

• for i in range(10):

• for i = 1 to 10:

• foreach (i in 10)

Multiple Choice

What is the output of print(10 // 3)?

• 3.33

• 3

• 4

• None

Multiple Choice

What is the correct way to write a conditional statement in Python?

• if x > y {}

• if x > y:

• if x > y then:

• if (x > y):

Multiple Choice

What will be the output of the following code snippet?
def foo(x=[]):

x.append(1)

return x

print(foo())

print(foo())

• [1] [1]

• [1] [2]

• [1] [1, 1]

• [1] [1, 2]

Multiple Choice

Which of the following statements about Python's Global Interpreter Lock (GIL) is TRUE?

• It allows multi-threading in Python to run concurrently on multiple cores.

• It prevents multiple threads from executing Python bytecodes at the same time.

• It is specific to Jython and not CPython.

• It is used to manage memory allocation across threads.

Multiple Choice

What will the following code output?
class A:

def init(self):

self.value = 10

def getattr(self, name):

if name == 'value':

return 20

raise AttributeError

a = A()

print(a.value)

• 10

• 20

• AttributeError

• Depends on Python version

Multiple Choice

What is the time complexity of list.pop(0) in Python?

• O(1)

• O(log n)

• O(n)

• O(n^2)

Multiple Choice

What is the difference between is and == in Python?

• is checks value equality, and == checks reference equality.

• Both check reference equality.

• Both check value equality.

• is checks reference equality, and == checks value equality.