diff --git a/Session_4/json_studs_ef.py b/Session_4/json_studs_ef.py
new file mode 100644
index 0000000..62dd4db
--- /dev/null
+++ b/Session_4/json_studs_ef.py
@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+
+
+# json module for outputting
+import json
+import urllib
+
+# read in raw text from url
+link = "https://raw.githubusercontent.com/albop/modern_scientific_programming/master/Students/students.md"
+url_req = urllib.request.urlopen(link)
+full_text = url_req.read().decode()
+
+## read in raw text from local file
+#with open("D:\emanu\OneDrive\Git\modern_scientific_programming\Students\students.md", "r") as read_in:
+#    full_text = read_in.read()
+
+# split according to MD syntax
+# outputs a list of strings w/
+# all students' blocks 
+stud_list = full_text.split("## ")
+                            
+raw_list = list()
+
+for i in range(1,len(stud_list)):
+    # probably better create a function for dict's keys
+    temp = {'identifier': stud_list[i].split("- identifier:")[1].splitlines()[0],
+                        'email' : stud_list[i].split("- email:")[1].splitlines()[0],
+                        'last name' : stud_list[i].split("- last name:")[1].splitlines()[0],
+                        'first name' : stud_list[i].split("- first name:")[1].splitlines()[0],
+                        'OS' : stud_list[i].split("- operating system:")[1].splitlines()[0],
+                        'memory' : stud_list[i].split("- memory:")[1].splitlines()[0],
+                        'RI' : stud_list[i].split("- research interest:")[1].splitlines()[0],
+                        'Expectations' : stud_list[i].split("- expectations:")[1].splitlines()[0]
+                        }
+    raw_list.append(temp)
+
+
+# output: use again shorthand of 'open'
+with open('student_list.json', 'w') as outfile:
+    json.dump(raw_list, outfile)
\ No newline at end of file
diff --git a/Students/students.md b/Students/students.md
index a476169..9445f83 100644
--- a/Students/students.md
+++ b/Students/students.md
@@ -149,7 +149,7 @@
 - email: emanuele.franceschi@gmail.com
 - last name: Franceschi
 - first name: Emanuele
-- OS: Win10/debian stretch
+- operating system: Win10/debian stretch
 - memory: 16 GB
 - research interest: monetary macro, firm dynamics
 - expectations: hands on Python/Julia, deepening ancillary tools