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

I'm guessing that you meant to do this:

msg['Subject'] = "Auto Hella Restart Report " + sys.argv[1]
# To concatenate strings in python, use       ^