Python
I have list with reversed words:
['rab', 'milb']
And i have a string with these words:
foo(bar)baz(blim)
How can i replace this words on reverted?
That's what i do:
a = "foo(bar)baz(blim)"
reversed_w = ['rab', 'milb']
for i in range(len(reversed_w)):
pure_k = a.replace(reversed_w[i][::-1], reversed_w[i])
print(pure_k)
# what i expect: foo(rab)baz(milb)
# what i get: foo(bar)baz(milb)
# it happens cuz after first iteration it "foo(rab)baz(blim)", but
# because i dont know how to "remmember" that state of that string,
# after second iteration i get "foo(bar)baz(milb)",
# cuz i am making that operation with unedited
# string: "foo(bar)baz(blim)".
Ofcourse i can do it with slices, but its bruteforce. Imagine if i had 50 reversed words, and 1000 characters long string
I have searched replace in for loops, but didnt find anything
Your issue arises because you're resetting pure_k in each iteration of the loop. Instead, you should update the string a itself or use another variable to keep track of the changes across iterations:
>>> a = "foo(bar)baz(blim)"
>>> reversed_w = ['rab', 'milb']
>>> for word in reversed_w:
... a = a.replace(word[::-1], word)
...
>>> print(a)
foo(rab)baz(milb)