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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_all_aminames(i_info):
 """Get Image_Name for each instance in i_info. Args: i_info (dict):
 information on instances and details. Returns: i_info (dict):
 i_info is returned with the aminame added for each instance. """

    for i in i_info:
        try:
            # pylint: disable=maybe-no-member
            i_info[i]['aminame'] = EC2R.Image(i_info[i]['ami']).name
        except AttributeError:
            i_info[i]['aminame'] = "Unknown"
    return i_info