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Computer Science

What possible outputs(s) will be obtained when the following code is executed?

import random
myNumber = random.randint(0, 3)
COLOR = ["YELLOW", "WHITE", "BLACK", "RED"]
for I in range(1, myNumber):
    print(COLOR[I], end = "*")
    print()
  1. RED*
    WHITE*
    BLACK*
  2. WHITE*
    BLACK*
  3. WHITE* WHITE*
    BLACK* BLACK*
  4. YELLOW*
    WHITE*WHITE*
    BLACK* BLACK* BLACK*

Python Libraries

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Answer

WHITE*
BLACK*

Reason — random.randint(0, 3) will generate a random integer between 0 and 3. Possible outcomes are 0, 1, 2, or 3. Since 0 and 1 would make the loop invalid, we consider 2 and 3.

When myNumber is 2:

The loop for i in range(1, myNumber) will iterate over range(1, 2), which includes only the number 1. The code will print COLOR[1], which is "WHITE", followed by an asterisk (*). So, one of the possible outputs is:
WHITE*

When myNumber is 3:

The loop for i in range(1, myNumber) will iterate over range(1, 3), which includes the numbers 1 and 2. The code will print COLOR[1], which is "WHITE", followed by an asterisk (*), and then move to the next line. Then, it will print COLOR[2], which is "BLACK", followed by an asterisk (*). So, the other possible output is:
WHITE*
BLACK*

Since the output when myNumber is 3 is among the possible outputs, it's the correct answer.

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