add biopython examples

biopython-examples/biopython1_log.txt

@@ -2,12 +2,12 @@ bash-4.4$ conda list biopython
 # packages in environment at /usr/local/anaconda3:
 #
 # Name                    Version                   Build  Channel
-biopython                 1.72             py36h04863e7_0  
+biopython                 1.78             py38h7b6447c_0  
 bash-4.4$ 
 
 bash-4.4$ python
-Python 3.6.6 |Anaconda custom (64-bit)| (default, Jun 28 2018, 17:14:51) 
-[GCC 7.2.0] on linux
+Python 3.8.11 (default, Aug  3 2021, 15:09:35) 
+[GCC 7.5.0] :: Anaconda, Inc. on linux
 Type "help", "copyright", "credits" or "license" for more information.
 >>>  
 >>> my_seq = Seq( "AGTACACTGGT" )