运行以下程序,输出结果的是: str1=“NanjingUniversity” str2=str1[:7]+"Normal"+str1[-10:]print(str2)
A. NormalU
B. NanjingNormal
C. NormalUniversity
D. NanjingNormalUniversity
运行以下程序,输出结果的是: print("love“join([“Everyday”,“Yourself”,“Python”,]))
A. EverydayloveYourself
B. EverydaylovePython
C. loveYourselflovePython
D. EverydayloveYourselflovePython
以下程序的输出结果是: ls1=[1,2,3,4,5] ls2=[3,4,5,6,7,8] cha1=[] foriinls2: ifinotinls1: cha1.append(i) print(cha1)
A. (6,7,8)
B. (1,2,6,7,8)
C. [1,2,6,7,8]
D. [6,7,8]
已知id(ls1)=4404896968,以下程序的输出结果是: ls1=[1,2,3,4,5] ls2=ls1 ls3=ls1.copy() print(id(ls2),id(ls3))
A. 44048969684404896904
B. 44048969044404896968
C. 44048969684404896968
D. 44048969044404896904