diff --git a/src/Python/Problem063.py b/src/Python/Problem063.py
index 9f9057a..0c1ee3b 100644
--- a/src/Python/Problem063.py
+++ b/src/Python/Problem063.py
@@ -23,8 +23,8 @@ def compute():
     ans = 0
     # no need to go higher than 10, because 10**2 = 100
     for number in range(1, 10):
-        for pow in range(1, 30):
-            if len(str(number**pow)) == pow:
+        for exp in range(1, 30):
+            if len(str(number**exp)) == exp:
                 ans += 1
 
     return ans
@@ -32,4 +32,4 @@ def compute():
 
 if __name__ == "__main__":
 
-    print(f"Result for Problem 63: {compute()}")
+    print(f"Result for Problem {int(63):003d}: {compute()}")