Produces a factorial DataFrame from a dict or list of tuples.
For example, suppose you want to generate a DataFrame like this:
   a    b
0  one  0
1  one  1
2  two  0
3  two  1
This function generates such output simply by providing the following: df_fromdict([(‘a’, [‘one’, ‘two’]), (‘b’, [0, 1])])
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| Returns: | pandas.DataFrame with data.items() column names |