def validate_file(feed_filename):
    f = open(feed_filename)
    contents = f.read()
    return contents
multiplies the coefficients of all the sequences at point pt
dataset/ETHPy150Open carbonblack/community/cb/alliance_feed_examples/query_feed_generator/cbfeeds/validate_feed.py/validate_file--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/series/sequences.py/SeqMul._eval_coeff