title: Create pandas dataframe manually without columns name
body: <p>I would like to create the following dataframe without columns names</p>
  
  <pre><code>import pandas as pd
  df = pd.DataFrame([0,423,2342],[12,123,1231], [1,3,5])
  </code></pre>
  
  <p>I get back an error</p>
  
  <pre><code>TypeError: unhashable type: 'list'
  </code></pre>
  
  <p>What am I doing wrong?</p>
  
  <p>I also tried <code>{}</code>, but it did not help.</p>
  
  <pre><code>df = pd.DataFrame({[0,423,2342],[12,123,1231], [1,3,5]})
  </code></pre>