human
Python 2.7: making a dictionary object from a specially-formatted list object
assistant
Here is some code to make a dictionary from list `f` which is in the format of four sets of  "val, key, val"

{f[i + 1]: [f[i], f[i + 2]] for i in range(0, len(f), 3)}

#Warning: this code generation is experimental. Please inspect the code for any bugs before executing.