【简答题】Write a Python class named Rectangle constructed by a length and width and a method which will compute the area of a rectangle. Python: Area of a rectangle In Euclidean plane geometry, a rectangle is ...
【单选题】If an attribute instructor_name defined as varchar(5), suppose excuting the following statements: set instructor_name='ABC'; then the length(instructor_name) is? note that: the length is a function fo...