Preparing git repo for final project

problems/pset1/extensions/extensions.py

@@ -0,0 +1,22 @@
+extensions = {
+    ".gif": "image/gif",
+    ".jpg": "image/jpeg",
+    ".jpeg": "image/jpeg",
+    ".png": "image/png",
+    ".pdf": "application/pdf",
+    ".txt": "text/plain",
+    ".zip": "application/zip"
+}
+
+def main():
+    file_name = input("Enter file name:\t\t").lower().strip()
+    for extension, mime in extensions.items():
+        if file_name.endswith(extension):
+            print(mime)
+            break
+    else:
+        print("application/octet-stream")
+
+
+if __name__ == "__main__":
+    main()