py lab 6

#main.py
import dict_func

name_student = ("q", "w", "e", "r")

arr_mark = [[5, 3, 4, 5], [4, 4, 2, 3], [5, 5, 5, 4], [5, 5, 5, 5]]
studentsMarks = dict()
for i in range(len(arr_mark)):
    x = {k: v for k, v in zip(dict_func.name_lessons, arr_mark[i])}
    studentsMarks[name_student[i]] = x

print("Before sorted: ")
studentsMarks = dict_func.dict_sort(studentsMarks)
print("After sorted: ")
dict_func.dict_print(studentsMarks)

print("Add new element or updates: ")
dict_func.dict_add(studentsMarks)
studentsMarks = dict_func.dict_sort(studentsMarks)
dict_func.dict_print(studentsMarks)

print("Delete element: ")
dict_func.dict_del_elem(studentsMarks)
dict_func.dict_print(studentsMarks)

print("Names of students whose grade point average is higher than the class average:")
g = "global_average_mark"
average_marks = dict_func.dict_calc(studentsMarks)
for i in studentsMarks.keys():
    if average_marks[i] > average_marks[g]:
        print(f"{i}; ", end='')

print()


#dict_func.py
name_lessons = ("lesson1", "lesson2", "lesson3", "lesson4")


def dict_sort(dict_name):
    sorted_tuple = sorted(dict_name.items(), key=lambda x: x[0])
    dict_name = dict(sorted_tuple)
    return dict_name


def dict_print(dict_name):
    for i, j in dict_name.items():
        print(f"Student {i}: ")
        for i1, j1 in j.items():
            print(f"\tMark for {i1}: {j1}")


def dict_add(dict_name):
    new_student_name = input("Enter student name: ")
    arr_mark = [0] * len(name_lessons)
    for i in range(len(name_lessons)):
        arr_mark[i] = int(input(f"\tEnter mark for {name_lessons[i]}: "))
    x = {k: v for k, v in zip(name_lessons, arr_mark)}
    dict_name.update({new_student_name: x})


def dict_del_elem(dict_name):
    del_name = input("Enter enter name you want to delete: ")
    dict_name.pop(del_name)


def dict_calc(dict_name):
    mark_1s_n = len(name_lessons)
    average_marks = [0] * len(dict_name)
    global_average_mark = 0
    name_keys = dict_name.keys()
    count = 0
    for i, j in dict_name.items():
        for i1, j1 in j.items():
            average_marks[count] += j1
        average_marks[count] /= mark_1s_n
        global_average_mark += average_marks[count]
        count += 1
    global_average_mark /= len(average_marks)
    x = {k: v for k, v in zip(name_keys, average_marks)}
    x.update({"global_average_mark": global_average_mark})
    return x