def replace3(x):
if len(x) <= 4:
return x
str = x[len(x) - 2:] + x[2: len(x) - 2] + x[0:2]
return str| Function Call | Return Value | |||
|---|---|---|---|---|
| replace3('hello') | → | |||
| replace3('goodbye') | → | |||
| replace3(' world ') | → | |||
| replace3('') | → | |||
| replace3('oof') | → | |||
| replace3('a') | → | |||
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