用老師的方法，新建不了應用！怎么辦？？？
(base) JACKWONGdeMBP:django_introduction jackwong$ python manage.py startapp blog
Traceback (most recent call last):
? File "manage.py", line 10, in main
? ? from django.core.management import execute_from_command_line
ModuleNotFoundError: No module named 'django'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
? File "manage.py", line 21, in <module>
? ? main()
? File "manage.py", line 16, in main
? ? ) from exc
ImportError: Couldn't import Django. Are you sure it's installed and available on your PYTHONPATH environment variable? Did you forget to activate a virtual environment?
(base) JACKWONGdeMBP:django_introduction jackwong$?
2019-07-03
base指的是anaconda里面的第一個環境（venv），如果你本機需要的是另一個python環境，那么你應該直接打開終端使用，如果在base環境里面安裝了django，那顯示base就是沒錯的，你這個錯誤可能是在安裝anaconda的時候沒有勾選添加到系統環境變量
2019-07-02
自從安裝了anaconda之后，終端就出現了一個(base)，之前可以正常使用django的。怎么辦