[Solved] Input a string in grep command in python

Samarth Singh Asks: Input a string in grep command in python
I have a list of strings in python and want to run a recursive grep on each string in the list. Am using the following code,

Code:
import subprocess as sp 
for python_file in python_files:
    out = sp.getoutput("grep -r python_file . | wc -l")
    print(out)

The output I am getting is the grep of the string “python_file”. What mistake am I committing and what should I do to correct this??

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