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CRUXEval / sample_416 / 'jysrhfm ojwesf xgwwdyr dlrul ymba bpq', 'j', '1'

Problem

Answer published by the source. Consult the official source to check your work against its answer.

code

Code

def f(text, old, new):
    index = text.rfind(old, 0, text.find(old))
    result = list(text)
    while index > 0:
        result[index:index+len(old)] = new
        index = text.rfind(old, 0, index)
    return ''.join(result)

input

'jysrhfm ojwesf xgwwdyr dlrul ymba bpq', 'j', '1'

Discussion

Discussion

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See answer Answer published by the source

Artifacts

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Source and history

Official source

initial import