Preparing git repo for final project

problems/pset3/grocery/grocery.py

@@ -0,0 +1,16 @@
+def main():
+    shopping_list = {}
+    while True:
+        try:
+            item = input("").upper()
+        except EOFError:
+            break
+        if item not in shopping_list:
+            shopping_list[item] = 0
+        shopping_list[item] += 1
+    for item, quantity in sorted(shopping_list.items(), key=lambda x: x[0]):
+        print(f"{quantity} {item}")
+
+
+if __name__ == "__main__":
+    main()