Fix Python – Running bash script from within python

I have a problem with the following code:
callBash.py:
import subprocess
print “start”
subprocess.call(“sleep.sh”)
print “end”

sleep.sh:
sleep 10

I want the “end” to be printed after 10s. (I know that this is a dumb example, I could simply sleep within python, but this simple sleep.sh file was just as a test)
….

Fix Python – Python __call__ special method practical example

I know that __call__ method in a class is triggered when the instance of a class is called. However, I have no idea when I can use this special method, because one can simply create a new method and perform the same operation done in __call__ method and instead of calling the instance, you can call the method.
I would really appreciate it if someo….