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    A basic program that intends to generate a new list containing the elements of list2 Followed by the elements of list1 in reverse order I can't seem to understand what the commented line means
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    To select rows not in list_of_values, negate isin() in: df[~df['A'] isin(list_of_values)] df query("A not in @list_of_values") # df query("A != @list_of_values") 5 Select rows where multiple columns are in list_of_values If you want to filter using both (or multiple) columns, there's any() and all() to reduce columns (axis=1) depending on the
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    You can use the below command to find users and corresponding role in each database: exec sp_MSForeachDB @command1='SELECT db_name(db_id('' ? '')) ,user_name(DRM member_principal_id) [DatabaseUser] ,user_name(DRM role_principal_id) [DatabaseRole] FROM sys database_role_members DRM INNER JOIN sys database_principals DP ON DRM member_principal_id = DP principal_id INNER JOIN sys database
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