Merge pull request #36 from JinChengZ18/patch-17

Create 42-summary.md

Author: zhenchen3419

Memo-Summary/42-summary.md

@@ -0,0 +1,14 @@
+- [第1周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day1.md)
+- [第2周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day2.md)
+- [第3周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day3.md)
+- [第4周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day4.md)
+- [第5周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day5.md)
+- [第6周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day6.md)
+- [第7周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day7.md)
+- [第8周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day8.md)
+- [第9周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day9.md)
+- [第10周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day10.md)
+- [第11周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day11.md)
+- [第12周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day12.md)
+- [第13周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day13.md)
+- [第14周小结](https://github.com/saturn-lab/BDMI-2020S/blob/master/Study-Memo/42-Day14.md)