import petl.interactive as etl
etl.__version__

table1 = (('name', 'kids'),
          ('John', '1'),
          ('Jenny', '2'),
          ('James', '2'),
          ('Joan', '4'))

table2 = (('name', 'age'),
          ('John', '33'),
          ('Jenni', ''),
          ('Jomes', '20'),
          ('Joan', ''))

from fuzzywuzzy import fuzz

table3 = (etl
    .wrap(table1)
    .prefixheader('l_')
    .crossjoin(etl.wrap(table2).prefixheader('r_'))
    .addfield('fuzz', lambda row: fuzz.partial_ratio(row.l_name, row.r_name))
    .selectge('fuzz', 80)
)
table3