A20398. 在Python中,运行下面的代码,输出的结果为{"Book1","Book2","Book3"}。( )books ={"Book1","Book2","Book3","Book4"} del_book = books.pop() print(del_book)
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在Python中,运行下面的代码,输出的结果为{"Book1","Book2","Book3"}。( )
books ={"Book1","Book2","Book3","Book4"}
del_book = books.pop()
print(del_book)选项(单选)
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