diff --git a/Avatars/Current Gravatar/fetch.py b/Avatars/Current Gravatar/fetch.py
index 951fa6f..7447144 100644
--- a/Avatars/Current Gravatar/fetch.py	
+++ b/Avatars/Current Gravatar/fetch.py	
@@ -2,10 +2,14 @@
 import hashlib
 import requests
 
+# allow script to receive an argument
+import sys
+email_input = sys.argv[1]
+
 def hash_email(email):
     return hashlib.sha256(email.encode('utf-8')).hexdigest()
 
-def fetch_gravatar(email="", size=1000, rating="g"):
+def fetch_gravatar(email, size=1000, rating="g"):
     url = f"https://www.gravatar.com/avatar/{hash_email(email)}?s={size}&r={rating}"
     print(url)
     response = requests.get(url)
@@ -34,4 +38,4 @@ def variety_of_sizes(email,sizes=[1000,1500,800,300,200,150,100]):
 
 if __name__ == '__main__':
     # print( hash_email(email))
-    variety_of_sizes("")
+    variety_of_sizes(email_input)