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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_branches(aliases):
 """Get unique branch names from an alias dictionary."""


    ignore = ['pow', 'log10', 'sqrt', 'max']
    branches = []
    for k, v in aliases.items():

        tokens = re.sub('[\(\)\+\*\/\,\=\<\>\&\!\-\|]', ' ', v).split()

        for t in tokens:

            if bool(re.search(r'^\d', t)) or len(t) <= 3:
                continue

            if bool(re.search(r'[a-zA-Z]', t)) and t not in ignore:
                branches += [t]

    return list(set(branches))