Tuesday 21 November 2023

Python Coding challenge - Day 73 | What is the output of the following Python code?

 


Code - 

i, j, k = 4, -1, 0

w = i or j or k      # w = (4 or -1) or 0 = 4

x = i and j and k    # x = (4 and -1) and 0 = 0

y = i or j and k     # y = (4 or -1) and 0 = 4

z = i and j or k     # z = (4 and -1) or 0 = -1

print(w, x, y, z)

Solution and Explanation - 

Here's the explanation for each variable:

w: It takes the first non-zero value from left to right in the sequence (i, j, k). In this case, the first non-zero value is 4.
x: It takes the first zero value from left to right in the sequence (i, j, k). In this case, the first zero value is 0.
y: It takes the first non-zero value from left to right in the sequence (i, j) and then evaluates the result with k using the "and" operator. In this case, (4 or -1) evaluates to 4, and 4 and 0 evaluates to 0.
z: It takes the first non-zero value from left to right in the sequence (i, j) and then evaluates the result with k using the "or" operator. In this case, (4 and -1) evaluates to -1, and -1 or 0 evaluates to -1.

So, the output of the print statement will be: 4 0 4 -1


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