Informatics Practices
Give the output of the following when num1 = 4, num2 = 3, num3 = 2.
num1 += num2 + num3
print(num1)
Answer
9
Working
In the above code, num1 += num2 + num3 is a shorthand notation for num1 = num1 + num2 + num3.
Given,
num1 = 4
num2 = 3
num3 = 2
First, the expression num2 + num3 is evaluated:
num2 + num3 = 3 + 2 = 5
Now the expression becomes:
num1 = num1 + 5
which translates to:
num1 = 4 + 5 = 9
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