Which of the following statements is false?
a. Using the equality operator == instead of the assignment symbol = in an as-signment statement can lead to subtle problems.
b. If instead of defining a variable grade with the assignment:
grade = 85
we accidentally write:
grade == 85
then grade would be undefined and we’d get a NameError.
c. If grade had been defined before the statement grade == 85, the statement would evaluate to True or False, depending on grade’s value, and not perform the intended assignment—fortunately, this is harmless.
d. All of the above statements are true.
c. If grade had been defined before the statement grade == 85, the statement would evaluate to True or False, depending on grade’s value, and not perform the intended assignment—fortunately, this is harmless.
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