Python for Data Science, AI & Development All Week Quiz Answers | IBM

Python for Data Science, AI & Development 
All Week Quiz Answers | IBM

------------------------------------------------------------------------------------------------------------------

        Module 1 Graded Quiz

------------------------------------------------------------------------------------------------------------------

Question 1)

What is the value of x after the following lines of code ?

x=1

x=x+1

• 2

Question 2)

What is the result of the following operation 3+2*2  ?

• 7

Question 3)

What is the type of the following "7.1"

• string

Question 4)

What is the result of the following code segment: int(False)

• 0

Question 5)

In Python, what is the result of the following operation: '1'+'2' ?

• '12'

Question 6)

Given myvar = 'hello' , how would you return myvar as uppercase ?

• myvar.upper()

Question 7)

What is the result of the following : str(1)+str(1) ?

• '11'

Question 8)

What is the result of the following: "123".replace("12", "ab") ?

• 'ab3'

Question 9)

In Python 3, what is the type of the variable x after the following: x=1/1 ?

• float

------------------------------------------------------------------------------------------------------------------

        Module 2 Graded Quiz

------------------------------------------------------------------------------------------------------------------

Question 1)

Consider the tuple A=((1),[2,3],[4]), that contains a tuple and list. What is the result of the following operation A[2] ?

• [4]

Question 2)

Consider the tuple  A=((1),[2,3],[4]), that contains a tuple and list. What is the result of the following operation A[2][0] ?

• 4

Question 3)

True or false: after applying the following method, L.append(['a','b']), the following list will only be one element longer.

• True

Question 4)

Consider the following list : A=["hard rock",10,1.2]

What will list A contain after the following command is run: del(A[0]) ?

• [10,1.2]

Question 5)

What is the syntax to clone the list A and assign the result to list B ?

• B=A[:]

Question 6)

What is the result of the following: len(("disco",10,1.2, "hard rock",10)) ?

• 5

Question 7)

Consider the following dictionary:

{ "The Bodyguard":"1992", "Saturday Night Fever":"1977"} 

select  the keys 

• "Saturday Night Fever"
• "The Bodyguard"

Question 8)

The variable  release_year_dict is a Python Dictionary, what is the result of applying the following method: release_year_dict.keys() ?

• retrieve the keys of the dictionary

Question 9)

Consider the Set: V={'A','B'}, what is the result of V.add('C') ?

• {'A','B','C'}

Question 10)

What is the result of the following: '1' in {'1','2'} ?

• True

------------------------------------------------------------------------------------------------------------------

        Module 3 Graded Quiz

------------------------------------------------------------------------------------------------------------------

Question 1)

What is the output of the following code ?

x="Go"
    if(x=="Go"):
      print('Go ')
else:
      print('Stop')

• Go Mike

Question 2)

What is the result of the following lines of code ?


x=1
x>-5

• True

Question 3

What is the output of the following few lines of code ?


x=5
while(x!=2):
print(x)
x=x-1

• 5
• 4
• 3

Question 4)

What is the result of running the following lines of code ?



class Points(object):
def __init__(self,x,y):

self.x=x

self.y=y

def print_point(self):

print('x=',self.x,' y=',self.y)

• x=1 y=2

Question 5)

What is the output of the following few lines of code ?


for i,x in enumerate(['A','B','C']):

print(i+1,x)

• 1 A
• 2 B
• 3 C

Question 6)

What is the result of running the following lines of code ?


class Points(object):

def __init__(self,x,y):

self.x=x

self.y=y

def print_point(self):

print('x=',self.x,' y=',self.y)

• x=2 y=2

Question 7)

Consider the function step, when will the function return a value of 1 ?


def step(x):

if x>0:

y=1

else:

y=0

return y

• if x is larger than 0

Question 8)

What is the output of the following lines of code ?


a=1

def do(x):

a=100

return(x+a)

print(do(1))

• 101

Question 9)

Write a function name add that takes two parameter a and b, then return the output of a + b (Do not use any other variable! You do not need to run it. Only write the code about how you define it.)

• def add(a,b):
• return a + b

Question 10)

Why is it best practice to have multiple except statements with each type of error labeled correctly?

• In order to know what type of error was thrown and the location within the program

--------------------------------------------------------------------------------------------------------------------------------------------

        Module 4 Graded Quiz

-------------------------------------------------------------------------------------------------------------------------------------------------

Coming Soon