What does the following complete Python code return? Explain why?a = 3b = 4c = 8a = a * b * exp( c – b – c )
Question
What does the following complete Python code return? Explain why?
# Python Code
a = 3
b = 4
c = 8
a = a * b * exp(c – b – c)
Solution
The Python code as written will result in an error. The function exp()
is not defined. If we assume that exp()
is meant to be the exponential function from the math
module, the code should be written as follows:
import math
a = 3
b = 4
c = 8
a = a * b * math.exp( c - b - c )
In this case, the code calculates a new value for a
by multiplying the original value of a
(3) by b
(4) and the exponential of c - b - c
(which simplifies to 0). The exponential of 0 is 1, so the final value of a
is 3 * 4 * 1
, or 12.
So, the code returns 12.
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