Created
June 28, 2017 06:00
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What will be printed by the last line (`puts` method), please explain the result:
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| def change_string(str) | |
| str << "bbb" | |
| str << "ccc" | |
| str = "ddd" | |
| end | |
| test = "aaa" | |
| change_string(test) | |
| puts test |
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