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I am trying to export data to CSV, where the data contains two lists of unequal items Length 

  import csv item_dictionary = {'13742': 'cat', '25037': 'dog'} name = item_dictionary.values ​​() data = [[1, 2, 3] , 4, 5, 6], [7, 8, 9, 10]] export_data = zip (* data) myfile = open ('sample.csv', 'wb') wr = csv.writer (myfile) wr.writerow (Names) Wr.writerows (export_data) myfile.close ()   
 This gives me this output, which includes 5 and 6 in  data [0]  Is not done. > 
  dog cat 1 7 2 8 3 9 4 10   
 What I should do is:  
  dog To include all values ​​of cat 1 7 2  data [0] , how can I modify my code to not be limited to the  length   
 data [1]    
 
 
 In fact,  ZIP  prevents it to reach the end of the least movable. This is a function to use when you want to zip at the end of the long runner.   itertools export_data = itertools.izip_longest (* data, fillvalue = '')

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