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.. (לתיקייה המכילה) | |
Which functions can\can't we use in questions #3 and #4? | |
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The restriction is only regarding built in functions that receive a string type as their input argument (or as one of their input arguments): In the first section in each of the questions you can use any of these functions except of explode or implode. In the second section in each of the questions you can't use any of these functions except of explode and implode. |
In question #4, is the received string a legal DNA sequence (meaning | |
| Yes |