llist = [{'a':'foo', 'b':'bar', 'c':1}, {'a':'foo', 'b':'bar', 'c':2}, {'a':'foo', 'b':'bar', 'c':3}, {'a':'hui', 'b':'pizda', 'c':1}, {'a':'hui', 'b':'pizda', 'c':2}]
lnew = llist[0]
lnew['c'] = [n['c'] for n in llist]
print(lnew)
bGxpc3QgPSBbeydhJzonZm9vJywgJ2InOidiYXInLCAnYyc6MX0sIHsnYSc6J2ZvbycsICdiJzonYmFyJywgJ2MnOjJ9LCB7J2EnOidmb28nLCAnYic6J2JhcicsICdjJzozfSwgeydhJzonaHVpJywgJ2InOidwaXpkYScsICdjJzoxfSwgeydhJzonaHVpJywgJ2InOidwaXpkYScsICdjJzoyfV0KbG5ldyA9IGxsaXN0WzBdCmxuZXdbJ2MnXSA9IFtuWydjJ10gZm9yIG4gaW4gbGxpc3RdCnByaW50KGxuZXcp