lambda x: '{0:0>10}'.format(x)
creates a string that has length at least 10. if what you pass as parameter has length less than 10 it will left-fill it with 0s.e.g. if you have value of
1
in Col1, it will become '0000000001'
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs