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get_first_element_of_series_if_not_empty

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get_first_element_of_series_if_not_empty [2021/01/16 07:41] – [get first element of series if not empty] rajuget_first_element_of_series_if_not_empty [2021/01/17 02:04] (current) – [Solution] raju
Line 12: Line 12:
 df.loc[mask]['C'].iloc[0] df.loc[mask]['C'].iloc[0]
 </code> </code>
-since iloc[0] will throw the exception+since iloc[0] will throw
 <code> <code>
 IndexError: single positional indexer is out-of-bounds IndexError: single positional indexer is out-of-bounds
 </code> </code>
-if df.loc[mask] is empty.+exception if df.loc[mask] is empty.
  
 For example For example
Line 58: Line 58:
 next(iter(df.loc[mask]['C']), None) next(iter(df.loc[mask]['C']), None)
 </code> </code>
 +or next(iter(series), default) in general.
 +
 With the above example With the above example
 <code> <code>
get_first_element_of_series_if_not_empty.1610782893.txt.gz · Last modified: 2021/01/16 07:41 by raju