Update Dockerfile

Dockerfile

@@ -1,5 +1,7 @@
     FROM ubuntu:latest
-
+    FROM python:3
+    RUN pip install pystrich
+    ADD script.py /
     RUN apt update -y && apt install -y make
     RUN apt install -y git
     RUN apt install -y gcc
@@ -9,5 +11,4 @@
     WORKDIR SCTK
     RUN make config && make all && make check &&  make install && make doc
     ENV PATH=$PATH:/SCTK/bin
-    RUN apt install -y python3