Difference between Python's os.system and Perl's system command

[Agile741]

if your string has c:\temp then \t is escape sequence (i.e. TAB). use forward slash, raw string or escape the backslash.

Also subprocess.run() is recommended over os.system

1. Are there any problems with me first trying to use a variable with the below code?
   
2. How would you modify/improve this specific code?
   
3. Do I have alternatives?
   
4. Should I try to replace each single backslash with two backslashes? How can I do this?
   

the_command = "a dot exe file with 3 options"
subprocess.call (r'the_command, shell = True)