title: How to color(background) excel cell using conditions using python and write the same colored sheet back to excel?
body: <h2>Hi I have excel sheet named 'master'</h2>
  
  <pre><code>Start       Customer    Country Parent group                Issue
  2           Jaguar      USA     TATA                        HW
  3           Suzuki      Japan   Suzuki Motors               HW
  6           GM          USA     General Motors              SW
  7           Hyundai     Japan   Hyundai Motrs               HW
  8           Google      USA     Google corporations         SW
  12          TCS         India   TATA Consultancy Services   HW
  14          Jaguar      USA     TATA                        HW
  19          AT &amp; T      USA     AT &amp; T Corporation          SW
  28          Oracle      USA     Oracle Services             SW
  30          Benz        Germany Mercedez Benz               SW
  31          Suzuki      Japan   Suzuki Motors               SW
  49          Honda       Japan   HONDA motors                HW
  90          GM          USA     General Motors              SW
  91          Hyundai     Japan   Hyundai motors              HW
  96          Jaguar      USA     TATA                        SW
  98          Suzuki      Japan   Suzuki Motors               HW
  100         TCS         India   TATA Consultancy Services   HW
  114         Hyundai     Japan   Hyundai motors              HW
  119         AT &amp; T      USA     AT &amp; T Corporation          SW
  125         Suzuki      Japan   Suzuki Motors               SW
  </code></pre>
  
  <p>where I want to colour cells of customer column where customer is Honda, TCS, Jaguar and Suzuki using for loop over list of these four customers.
  List = ['Honda', 'TCS', 'Jaguar', 'Suzuki']</p>
  
  <p>and write colored data frame in excel sheet</p>