下面程序段的输出结果是?( ) def add_Run(L=None): if L is None: L = ['Lying'] else: L.append('Run') return L add_Run() print(add_Run()) print(add_Run(['Lying']))
A: 'Lying'] ['Run']
B: ['Lying'] ['Lying'] ['Lying', 'Run']
C: ['Lying'] ['Lying', 'Run']
D: [] ['Lying', 'Run']
正确答案:B
试卷来源:202403 青少年软件编程等级考试Python四级真题