Add new file

homework1/review

+ Summary:
+代码部分完成的挺好，problem1要是能有推导过程就更好
+
+Detailed Comments:
+1、代码部分完成的挺好
+2、逻辑回归部分分答案没有错，需要写出推导过程，如果觉得在markdown上太麻烦，自己用笔推导一下也好
+
+Overall Score: 90
+--------------------------------------------------------------------------------------------------------------------------
+
+Thanks for your efforts.
+
+-Your instructor