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Data listed in the results section should be carefully selected and revised in the jou
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＞＞＞ from pandas import Series, DataFrame
＞＞＞ data = {'language': ['Java', 'PHP', 'Python', 'R', 'C#'],'year': [ 1995 , 1995 , 1991 ,1993, 2000]}
＞＞＞ frame. = DataFrame(data) ＞＞＞ frame['IDE'] = Series(['Intellij', 'Notepad', 'IPython', 'R studio', 'VS'])
＞＞＞ 'VS' in frame['IDE']
_____
＞＞＞ frame['year'][2]
______
A、129,400
B、125,000
C、120,600
D、128,400
Brian: OK.(1)In other words, if you buy shares of stock in a business, you become a partial owner of the business.
Alicia: How can investors make money？
Brian: (2)if a person invests in a company that does very well.
Alicia: It's possible for the investors to get a complete loss, isn't it？
Brian: Everyone wants the stock market to go up, but sometimes, (3)This is usually true for all stocks.
A.The price of each share will go up.
B.even when a company does well the stock may go down.
C.Shares represent a partial ownership of the company.
D.There is a listed company behind every stock
A.段DATA一定为数据段
B.存放段DATA的内存首地址正好是16的整数倍
C.段DATA的变量正好占用16的整数倍
D.存放段DATA的内存首地址正好是256的整数倍
A.success、fail、timeout、complete
B.success、fail、data、complete
C.success、fail、timeout、data
D.success、fail、url、data
A.Translated source destination addresses
B.Inverse address resolution
C.Source and destination port number
D.Source and destination addresses and application data
