Update app.py

printing current working directory for debugging

app.py

@@ -7,7 +7,10 @@ import exercises.block_modelling as block_modelling
 import exercises.geo_interp as geo_interp
 import exercises.reporting as reporting
 import exercises.interp as interp
+import os 
 
+
+print(os.getcwd)
 max_width = 1200
 
 padding_top = 0