>>>conada这个命令下面的三行提示的问题，怎么解决，请大神协助，按照百度出来的解决方法搞不定。

$ python
Python 3.7.3 (default, Mar 27 2019, 17:13:21) [MSC v.1915 64 bit (AMD64)] :: Anaconda, Inc. on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> conda
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'conda' is not defined