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单选题 f(st): st[]=st={:,:} f(st) (st[],st[])结果是
学科：Python
时间：2023-12-25 11:47:00
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题目1单选题
列表st=['a','b','c'],要删除'b'元素,正确的操作是A. st.remove(1)B. st.remove(2)C. del st[1]D. del st[2]
题目2单选题
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']
题目3单选题
def f(st): i=0 while i<len(st): if st[i]%2==0: del st[i] else: i+=1st=[1,2,3,4,5,6]f(st)print(st)结果是A. [1, 2, 3, 4, 5]B. [2,4,6]C. ['1', '3, '5']D. [1, 3, 5]
题目4单选题
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')
题目5单选题
def f(st): st.append('x') return stst=['a']st=f(st)print(st)结果是A. ['a','x']B. ['a']C. ['x']D. ['x','a']
题目6单选题
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
题目7单选题
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 femaleB. a maleC. b femaleD. b femalea male
题目8单选题
st=[]st.append({"name":"a","sex":"male"})st.append({"name":"b","sex":"female"})st[1]["age"]=23for s in st: print(s["name"],s["sex"],s["age"])结果是A. a male Noneb female 23B. 错误C. a male 0b female 23D. a male undefinedb female 23
题目9单选题
f(st): st[]=st={:,:} f(st) (st[],st[])结果是A. x maleB. a maleC. 错误D. 没有错误,也没有输出
题目10单选题
def f(st): i=0 while i<len(st): if st[i]%2==0: del st[i] else: i+=1st=[1,2,3,4,5,6]st=f(st)print(st)结果是A. [1,3,5]B. NoneC. [2,4,6]D. [1,2,3,4,5,6]
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