renamed

Author: katarzynakaz

Sprint-2/improve_with_caches/fibonacci/fibonacci.py

@@ -1,12 +1,12 @@
-def fibonacci(n, cache=None):
-    if cache is None:
-        cache = {}
+def fibonacci(n, memo=None):
+    if memo is None:
+        memo = {}
 
-    if n in cache:
-        return cache[n]
+    if n in memo:
+        return memo[n]
 
     if n <= 1:
         return n
 
-    cache[n] = fibonacci(n - 1, cache) + fibonacci(n - 2, cache)
-    return cache[n]
+    memo[n] = fibonacci(n - 1, memo) + fibonacci(n - 2, memo)
+    return memo[n]