4.3.2.Graded Quiz Loops - sj50179/IBM-Data-Science-Professional-Certificate GitHub Wiki

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Question 1

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

A=[1,2,3]

for a in A:

  print(2*a)

11

22

33

2

4

6

correct, each element in the list is an integer, so the '*' represents multiplication

Question 2

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

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

5

4

3

5

4

3

2

the program will never leave the loop

Question 3

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

0 A

1 B

2 C

0 AA

1 BB

2 CC

Question 4

What is the output of the following?

1

2

3

4

1

3

4

2