how to use concatenate a fixed string and a variable in Python

Question

I want to include file name \'main.txt\' in the subject for that I am passing file name from command line. but getting error in doing so

python sample.py ma         


        

Answer 1

Try:

msg['Subject'] = "Auto Hella Restart Report " + sys.argv[1]

The + operator is overridden in python to concatenate strings.