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CRUXEval / sample_652 / '3'

Problem

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

code

Code

def f(string):
    if not string or not string[0].isnumeric:
        return 'INVALID'
    cur = 0
    for i in range(len(string)):
        cur = cur * 10 + int(string[i])
    return str(cur)

input

'3'

Discussion

Discussion

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See answer Answer published by the source

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Source and history

Official source

initial import