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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 as_number(as_number_val):
 """Convert AS Number to standardized asplain notation as an integer."""

    as_number_str = py23_compat.text_type(as_number_val)
    if "." in as_number_str:
        big, little = as_number_str.split(".")
        return (int(big) << 16) + int(little)
    else:
        return int(as_number_str)