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+# Homework 0
+Practive basic operation on numpy and Pillow to check if a student can program
+
+## Q1
+Input: two matrix text file  
+output: outcome of maxtrix multiplication  
+
+```bash
+./Q1.sh matrixA.txt matrixB.txt
+```
+
+## Q2
+Input: an original lena image and another modified lena image
+Output: The difference image between two input images  
+
+```bash
+./Q2.sh lena.png lena_modified.png
+```
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