The ".replace" operator isn't working Python [duplicate]

Question

I was testing some mechanics out and ran into an issue, the following program should replace the '+' sight to ' + '. The output of this theoretically should be '20 + 20', but in reality, it's '20+20'. I have no idea why.

string = "20+20"
if string.find(" ") == -1:
    string.replace("+", " + ")
print(string)

replace returns a new string.

khelwood
– khelwood

2020-07-15 19:23:39 +00:00
Commented Jul 15, 2020 at 19:23 — khelwood
– khelwood, Commented Jul 15, 2020 at 19:23

Harben · Accepted Answer · 2020-07-15 19:24:50Z

2

In order for this to work, you need to reassign the string variable with the result of string.replace as the replace function returns the new string.

string = "20+20"
if string.find(" ") == -1:
    string = string.replace("+", " + ")
print(string)

answered Jul 15, 2020 at 19:24

Harben

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