Apart from using 'with', what else can I do to have the same results?

Question

The code:

with open("integers.txt", "r") as fin, \
       open("products.txt", "w") as fout:

The answers should be put in another file.

Answer 1

Apart from using 'with', what else can I do to have the same results?

with open("integers.txt", "r") as fin, open("products.txt", "w") as fout:

You can replace this with/as block with two variables:

fin = open("integers.txt", "r")
fout = open("products.txt", "w")

Then you only have to remember to write

fin.close()
fout.close()

at the end of your program.

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I would suggest you to read the documentation about open and with/as blocks.

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What's more I don't get why you are doing this:

def mult(a, b=1, c=1, d=1, e=1, f=1, g=1):
     return a * b * c * d * e * f * g

This function can only have 7 arguments, why don't you use *args?