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Analyse and predict the value of b after the execution of this loop?b = 0for a in range(0, 10, 2):     b += a + 1Select one:45362025

Question

Analyse and predict the value of b after the execution of this loop?

b = 0
for a in range(0, 10, 2):
    b += a + 1

Select one: 4 5 3 6 2 0 25

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Solution

The loop is iterating over a range of numbers from 0 to 10, with a step of 2. This means that the variable 'a' will take on the values 0, 2, 4, 6, and 8.

In each iteration of the loop, the value of 'b' is increased by the current value of 'a' plus 1.

Let's break it down:

  • In the first iteration, 'a' is 0, so 'b' is increased by 0 + 1 = 1.
  • In the second iteration, 'a' is 2, so 'b' is increased by 2 + 1 = 3.
  • In the third iteration, 'a' is 4, so 'b' is increased by 4 + 1 = 5.
  • In the fourth iteration, 'a' is 6, so 'b' is increased by 6 + 1 = 7.
  • In the fifth and final iteration, 'a' is 8, so 'b' is increased by 8 + 1 = 9.

If you add up all these increases (1 + 3 + 5 + 7 + 9), you get 25.

So, the value of 'b' after the execution of the loop will be 25.

This problem has been solved

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