importarraya=array.array('B',[1,2,3])print(a,len(a))i=array.array('I',[1,2,3])print(i,len(i))print(a[0])print(i[-1])# Empty arraysprint(len(array.array('h')))print(array.array('i'))# bool operator acting on arraysprint(bool(array.array('i')))print(bool(array.array('i',[1])))# bad typecodetry:array.array('X')exceptValueError:print("ValueError")