Python-projects/student database at main · FannikaD/Python-projects · GitHub

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def add_student(database,name:str):
    database[name]=name
    return database

def print_student(dictionary, name:str):
    if name in dictionary:
        try:
            values=dictionary[name]
            course, points = zip(*values)
            print(f'{name}: ')
            print(f' {len(values)} completed courses: ')
            for i in range(0,len(values)):
                print(f'  {list(course)[i]} {list(points)[i]}')
            print(f' average grade {(sum(list(points))/len(values))}')
            return
        except ValueError:
            if dictionary.get(name) is not None:
                print(f'{name}: ')
                print(' no completed courses')
    else:
        print(f'{name}: no such person in the database')

def add_course(database, name: str, course:tuple):
    values=database[name]
    if course[1] == 0:
        return
    try:
        course1, points2 = zip(*values)
        if course[0] in list(course1):
            index=list(course1).index(course[0])
            if course[1]<=list(points2)[index]:
                return False
            if course[1]>list(points2)[index]:
                for tuple in database[name]:
                    if tuple[0]==course[0]:
                        database[name].remove(tuple)
                        try:
                            database[name].append(course)
                            return
                        except AttributeError:
                            database[name]=[course]
                            return
    except ValueError:
        clist=[course[i:i] for i in range(0,len(course))]
    try:
        database[name].append(course)
    except AttributeError:
        database[name]=[course]

def summary(dict):
    student=0
    b=0
    best=0
    for key in dict:
        val=dict[key]
        course, points = zip(*val)
        student+=1
        if len(dict[key])>b:
            b=len(dict[key])
            name=key
        if (sum(list(points))/len(val))>best:
            best=(sum(list(points))/len(val))
            name1=key
    print(f'students {student}')
    print(f'most courses completed {b} {name}')
    print(f'best average grade {best} {name1}')


if __name__ == "__main__":
    students = {}
    add_student(students, "Peter")
    add_student(students, "Eliza")
    add_course(students, "Peter", ("Data Structures and Algorithms", 1))
    add_course(students, "Peter", ("Introduction to Programming", 1))
    add_course(students, "Peter", ("Advanced Course in Programming", 1))
    add_course(students, "Eliza", ("Introduction to Programming", 5))
    add_course(students, "Eliza", ("Introduction to Computer Science", 4))
    summary(students)