How to use list elements when replacing strings in Python?

Question

I'm using data from a CSV file in my Python program, and I'm facing a problem when trying to run each separate data piece in my program.

If I have a variable like this, which is simply a list of items from each cell in my CSV column:

name = [(x) for x in column_1]
#[Sarah, Thomas, Howard, Lisa]

I want to use individual elements further from this. If I want to replace a link with each name from my column_1 data, and generate a big list of new links, how would I go about doing this?

print(new_link)
www.Sarah.com
www.Thomas.com
www.Lisa.com

My code looks like this so far, but I'm having trouble replacing the list as simply individual element strings from the list:

link = 'www.hello.com'
new_link = link.replace('hello', [(x) for x in name])

Where am I going wrong? Would appreciate any help - thanks!

[f'www.{x}.com' for x in name]

Mark Tolonen
– Mark Tolonen

2022-07-13 21:16:53 +00:00
Commented Jul 13, 2022 at 21:16 — Mark Tolonen
– Mark Tolonen, Commented Jul 13, 2022 at 21:16

Tim Roberts · Accepted Answer · 2022-07-13 21:16:44Z

1

You are trying to do one replace call with 3 substitutions. You need

new_links = [link.replace('hello', x) for x in name]

That will produce a list of three names.

answered Jul 13, 2022 at 21:16

Tim Roberts

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julien · Accepted Answer · 2022-07-13 21:16:58Z

1

name = ['Sarah', 'Thomas', 'Howard', 'Lisa']
link = 'www.hello.com'
new_link = [link.replace('hello', x) for x in name]
print(new_link)

output:

['www.Sarah.com', 'www.Thomas.com', 'www.Howard.com', 'www.Lisa.com']

answered Jul 13, 2022 at 21:16

julien

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