<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def from_dict(cls, database, key, data, clear=False):
 """ Create and populate a Hash object from a data dictionary. """

        hsh = cls(database, key)
        if clear:
            hsh.clear()
        hsh.update(data)
        return hsh