下面代码的执行结果是( )
>>> def area(r, pi = 3.

下面代码的执行结果是( )
>>> def area(r, pi = 3.14159):
return pi * r *r
>>> area(pi = 3.14, r = 4)

A.出错

B.50.24

C.39.4384

D.无输出

正确答案是B

下面代码的执行结果是( )>>> def area(r, pi = 3.