title: convert array into DataFrame in Python
body: <pre><code>import pandas as pd    
  import numpy as np   
  e = np.random.normal(size=100)  
  e_dataframe = pd.DataFrame(e)     
  </code></pre>
  
  <p>When I input the code above, I get this answer:</p>
  
  <p><img src="https://i.stack.imgur.com/gAZsb.png" alt="enter image description here"></p>
  
  <p>But how do I change the column name?</p>