
    Create a function that analyzes a student's performance record and identifies all subjects where the student has demonstrated sufficient mastery by meeting or exceeding the required proficiency threshold. The function should accept a dictionary containing subject-wise assessment scores and a minimum score threshold, returning only the subjects and scores where the student has achieved the required level of understanding.
    

    
def dict_filter(dict, n):
    """
    Create a function that analyzes a student's performance record and identifies all subjects where the student has demonstrated sufficient mastery by meeting or exceeding the required proficiency threshold. The function should accept a dictionary containing subject-wise assessment scores and a minimum score threshold, returning only the subjects and scores where the student has achieved the required level of understanding.
    

    """
def dict_filter(dict, n):
    """
    Create a function that analyzes a student's performance record and identifies all subjects where the student has demonstrated sufficient mastery by meeting or exceeding the required proficiency threshold. The function should accept a dictionary containing subject-wise assessment scores and a minimum score threshold, returning only the subjects and scores where the student has achieved the required level of understanding.
    

    """
    result = {key: value for (key, value) in dict.items() if value >= n}
    return result