title: Unable to parse the log file using Shell and python
body: <p>I am trying to parse the log file using shell or python script. I used awk and sed but no luck. Can some one help me to resolve this. Below is the input and expecting output.</p>
  
  <h2>Input:</h2>
  
  <pre><code>customer1:123
  SRE:1
  clientID:1
  Error=1
  customer1:124
  SRE:1
  clientID:1
  Error=2
  customer1:125
  SRE:1
  clientID:1
  Error=3
  customer1:126
  SRE:1
  clientID:1
  Error=4
  </code></pre>
  
  <h2>Output:</h2>
  
  <p>Customer  |  Error<br>
  123             1<br>
  124             2<br>
  125             3<br>
  126             4  </p>