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{"sheet":"Sheet1","index":0,"n_rows":9,"n_cols":2,"rows_kept":9}
["用户昵称","phone"]
["小核桃",15699990098]
["张三",15699990099]
["牛战士",15699990100]
["杜马",15699990101]
["李元芳",15699990102]
["张啦啦",15699990103]
["看见课"]
["王看见",15699990105]

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{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0}