SHIN, Byeong-Chun's Board

Name	신병춘

Subject	class 예제

# department.py
# Example of class

class Department():
    def __init__(self, name, nbr):
        self.Name = name
        self.StdNbr = nbr  # 정원
        self.Std = dict() # 학생명: 학번
        self.Subject = dict() # 교과목: 구번
        self.Prof = list()
        self.load()           # 명단 불러오기
        self.information()    # 정보 출력

    def load(self):
        fname = self.Name + '.data'

        import os, pickle
        if os.path.isfile(fname):
            f = open(fname, 'rb')
            D = pickle.load(f)
            f.close()
        self.Std = D[0]
        self.Prof = D[1]
        self.Subject = D[2]

    def std_manage(self, *vargs, order='add'):
        ''' 학생 추가 또는 삭제 '''
        if order == 'add':
            self.Std[vargs[0]] = vargs[1]
        elif order =='del':
            del self.Std[vargs[0]]
        else:
            pass

        self.save()

        print('Name of Department is ', self.Name)
        for name, no in self.Std.items():
            print('  ', name, ':', no)

    def prof_manage(self, *vargs, order = 'add'):
        if order == 'add':
            for name in vargs:
                self.Prof.append(name)
        elif order == 'del':
            for name in vargs:
                self.Prof.remove(name) # 리스트에서 name 삭제

        self.save()

        print('Name of Department is ', self.Name)
        for name in self.Prof:
            print('  ', name)

    def subject_manage(self, *vargs, order = 'add'):
        pass

    def information(self):
        print('--------학과 정보 ---------')
        print('학과 이름 :', self.Name)
        print('학생 정원 :', self.StdNbr)

        print('교수명단:')
        for name in self.Prof:
            print('      ', name)

        print('학생명단:')
        for name, no in self.Std.items():
            print('      ', name, ' : ', no)

def save():
        fname = self.Name + '.data'
        D = { 0 : self.Std, 1: self.Prof, 2: self.Subject }

        import pickle
        f = open(fname, 'wb')
        pickle.dump(D, f)
        f.close()
        del pickle

# 파일을 실행할때 수행
# 파일이 모듈로 불러들일때는 수행하지 않음
if __name__ == '__main__':
    math = Department('Mathematics', 200)

DATE: 2019.04.01 - 16:13

LAST UPDATE: 2019.04.16 - 15:08

k-means clustering

RK2, 4 methods