adding univeristy latex files

2_main_body/code/gcd.py

@@ -0,0 +1,10 @@
+import library
+
+# GCD of a and b
+def my_gcd(a, b):
+    t = b
+    while not b == 0:
+        t = b
+        b = a % b
+        a = t
+    return a