title: Calling class in another folder
body: <p>Given the folder structure as follows:</p>
  
  <pre><code>folder1
    __init.py__
    python1.py
  folder2
    __init.py__
    class1.py
  </code></pre>
  
  <p>say in <code>class1.py</code> I have</p>
  
  <pre><code>class aa:
    def __init__(self,max):
      self.max=max
  
    def hello(self):
      print(self.max)
  </code></pre>
  
  <p>What should I import from <code>python1.py</code> to invoke <code>aa.hello()</code>?</p>
  
  <p>i.e., in <code>python1.py</code></p>
  
  <pre><code>#what do I need to import here
  
  myaa=aa(100)
  myaa.hello()
  </code></pre>