设字符串str='Chinese',表达式str[1]的值是()。
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以下程序的输出结果是()。str = "I love my family"print(str[-9: ])
A. family
B. y family
C. e my family
D. my family
以下程序的输出结果是()。str = "Welcome to beijing"print(str.find("to"))
A. 2
B. 3
C. 8
D. 9
以下程序的输出结果是()。for s in "I love my family":if s =='i':breakprint(s, end="")
A. I love my fam
B. I love my fami
C. I love my famil
D. I love my family
以下程序的输出结果是()。for i in "Chinese":for k in range(3):print(i,end = "")if i=="e":break
A. chinese
B. CCChhhiiinnneeessseee
CChhiinnesse
D. CCChhhiiinnnessse