question: create a list where each element is a dictionary with keys 'key1' and 'key2' and values corresponding to each value in the lists referenced by keys 'key1' and 'key2' in dictionary `d`
  
target: [ { 'key1' : a , 'key2' : b } for a , b in zip ( d [ 'key1' ] , d [ 'key2' ] ) ] 
  