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单选题 d={"Name":'xxx'}d["Sex"]="male"d["name"]="yyy"print(d)结果是
学科：程序设计基础
时间：2023-12-19 00:20:32
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题目1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2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3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
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