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A student is running a Python program like this: >python merge.py myfile1.fa myfile2.fa In the merge.py...

A student is running a Python program like this:
>python merge.py myfile1.fa myfile2.fa

In the merge.py program the following lines are present:
import sys
tocheck=sys.argv[1]

What is the value of the variable tocheck?

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Answer #1

In python, when we pass command line arguments, the 0th argument is the program name itself. In this case argv[0] = merge.py.

So, the argv[1] will be the myfile1.fa.

And this value is assigned to variable 'tocheck'. So tocheck has the value "myfile1.fa".

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