title: Invalid syntax error for 'pip install --upgrade pip'
body: <p>i am trying to upgrade pip using
  <code>pip install --upgrade pip</code> but getting error</p>
  
  <pre><code> File "&lt;stdin&gt;", line 1
  pip install --upgrade pip
            ^
  SyntaxError: invalid syntax
  </code></pre>
  
  <p>can anyone tell me what's the exact issue?</p>