Question

Suppose x = 1 y = -1 and z = 1. What will be displayed by the following statement? if x > 0:

if y > 0:
print(""x > 0 and y > 0"")
elif z > 0:
print(""x < 0 and z > 0"")
A. x > 0 and y > 0
B. x < 0 and z > 0
C. x < 0 and z < 0
D. nothing displayed"

Answer 1

Let's solve this problem step by step.

Step 1: Consider the given values: x = 1, y = -1, and z = 1.

Step 2: The problem asks what will be displayed given certain conditions. Let's go through each condition.

Condition 1: if x > 0. Therefore, we are checking if 1 is greater than 0, which is true. So we move further.

Then we have two sub-conditions under x > 0.
- Sub-condition 1: if y > 0. In this, we are checking if -1 is greater than 0. This is false.
- Sub-condition 2: elif z > 0. Because the first sub-condition wasn't met, it moves on to the next. Here we are checking if 1 is greater than 0. This is true.

Therefore, whenever x > 0 and z > 0, it will print "x < 0 and z > 0". This seems counterintuitive as we just established that x and z are greater than 0, but those are indeed the instructions given.

So, using our given conditions (x = 1, y = -1 and z = 1), the display would be "x < 0 and z > 0".