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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 from_file (filename):
 """Parse cookie data from a text file in HTTP header format. @return: list of tuples (headers, scheme, host, path) """

    entries = []
    with open(filename) as fd:
        lines = []
        for line in fd.readlines():
            line = line.rstrip()
            if not line:
                if lines:
                    entries.append(from_headers("\r\n".join(lines)))
                lines = []
            else:
                lines.append(line)
        if lines:
            entries.append(from_headers("\r\n".join(lines)))
        return entries