title: command prompt returning blank when I give command of python
body: <p>I am using windows 10 OS.</p>
  <p>nothing appears when I type python on cmd</p>
  <pre><code>C:\Users\username&gt;python
  
  C:\Users\username&gt;
  </code></pre>
  <p>but it does when I type <code>py</code></p>
  <pre><code>C:\Users\username&gt;py
  
  Python 3.8.3 (tags/v3.8.3:6f8c832, May 13 2020, 22:37:02) [MSC v.1924 64 bit (AMD64)] on win32
  Type &quot;help&quot;, &quot;copyright&quot;, &quot;credits&quot; or &quot;license&quot; for more information.
  &gt;&gt;&gt;
  </code></pre>
  <p>and also when I try to open any python file directly it fails to open it.</p>