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Python Institute Exam PCEP-30-02 Topic 1 Question 27 Discussion
Actual exam question for
Python Institute's
PCEP-30-02 exam
Question #: 27
Topic #: 1
[All PCEP-30-02 Questions]
Topic #: 1
Which of the following expressions evaluate to a non-zero result? (Select two answers.)
Suggested Answer:
A, B
In Python, the ** operator is used for exponentiation, the / operator is used for floating-point division, and the // operator is used for integer division. The order of operations is parentheses, exponentiation, multiplication/division, and addition/subtraction. Therefore, the expressions can be evaluated as follows:
A) 2 ** 3 / A - 2 = 8 / A - 2 (assuming A is a variable that is not zero or undefined) B. 4 / 2 * * 3 - 2 = 4 / 8 - 2 = 0.5 - 2 = -1.5 C. 1 * * 3 / 4 - 1 = 1 / 4 - 1 = 0.25 - 1 = -0.75 D. 1 * 4 // 2 ** 3 = 4 // 8 = 0
Only expressions A and B evaluate to non-zero results.
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