Bertelsmann AI Track Quiz Initiative #3

What is the difference between list and tuples in Python? Choose all correct answers

• Lists are mutable i.e they can be edited.

• Tuples are mutable i.e they can be edited.

• Tuples are immutable (tuples are lists which can’t be edited).

• Lists are immutable (Lists are array which can’t be edited).

What are the key features of Python? Choose all correct answers

• Python is a compiled language. That means that, like languages like C and its variants, Python does need to be compiled before it is run.

• Python is dynamically typed, this means that you don’t need to state the types of variables when you declare them or anything like that.

• Python is well suited to object-orientated programming in that it allows the definition of classes along with composition and inheritance.

• In Python, functions are first-class objects. This means that they can be assigned to variables, returned from other functions and passed into functions.

How is memory managed in Python? Choose all correct answers

• Memory management in python is managed by Python private heap space

• Memory management in python is managed by Python private stack space

• Python also has an inbuilt garbage collector which recycles all the unused memory

• Memory allocation have to be managed by the programmer

Which data types are natively supported in Python? Choose all correct answers

• Numbers

• Strings

• Tensors

• Dictionaries

_{A = "Bertelsman"}

_{B = "Scholarship"}

_{B = A.join(B)}

What is the value of B?

• Bertelsman Scholarship

• BertelsmanScholarship

• Scholarship

• Error because string is immutable

_{r = lambda q: q * 2}

_{s = lambda q: q * 3}

_{x = 2}

_{x = r(x)}

_{x = s(x)}

_{x = r(x)}

_{print (x)}

What's printed in the console?

• 6

• 12

• 24

• 48

_{a = 4.5}

_{b = 2}

_{print (a//b)}

What's printed in the console?

• 0

• 1.0

• 1.5

• 2.0

_stg='XYZ'

_A=len(stg)

_B=stg[0]

_print(A,B)

What's printed to the console?

• 3 X

• 3 Y

• 4 X

• 4 Y

How to modify python array? Choose all correct answers

• pop()

• slice()

• push()

• append()

_{a="Udacity Course"}

_{print(a.split())}

What's printed on the console?

• ["Udacity ", "Course"]

• ["Udacity", "Course"]

• ["Udacity Course", ""]

• []