Loading data from external JSON‑API into course and level models

It is necessary to process a JSON array received from an external API and record the information into the Course and Level models, considering their relationships.

from rest_framework import serializers
from courses.models import Course

class CourseSerializer(serializers.ModelSerializer):
    class Meta:
        model = Course
        fields = '__all__'

[
  {
    "Code": "01.03.02",
    "Specialty": "Applied Mathematics and Informatics",
    "Profile": "Simulation Modeling and Data Analysis, 2021",
    "TrainingLevel": "Bachelor's"
  },
  {
    "Code": "01.03.02",
    "Specialty": "Applied Mathematics and Informatics",
    "Profile": "Simulation Modeling and Data Analysis, 2022",
    "TrainingLevel": "Bachelor's"
  },
  {
    "Code": "01.03.02",
    "Specialty": "Applied Mathematics and Informatics",
    "Profile": "Simulation Modeling and Data Analysis, 2023",
    "TrainingLevel": "Bachelor's"
  }
]