def f(st):st.append('x')st=['a']f(st)print(st)执行后的结果是：
A. ['x']
B. ['a']
C. ['a', 'x']
D. ['x', 'a']
查看答案
def f(st):i=0while i
A. [1, 2, 3, 4, 5]
B. [2,4,6]
C. ['1', '3, '5']
D. [1, 3, 5]
要把st变成st=['x','a','b']，那么操作是st=['a','b']_____print(st)
A. st.append('x')
B. st.insert(1,'x')
C. st.insert('x')
D. st.insert(0,'x')
d={"Name":'xxx'}d["Sex"]="male"d["name"]="yyy"print(d)结果是
A. {'name': 'yyy', 'Sex': 'male'}
B. {'Name': 'yyy', 'Sex': 'male'}
C. {'Name': 'xxx', 'Sex': 'male', 'name': 'yyy'}
D. 错误
st=[]st.append({"name":"a","sex":"male"})st.append({"name":"b","sex":"female"})for s in st:print(s["name"],s["sex"])结果是
A. a maleb female
B. a male
C. b female
D. b femalea male
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