save project

94aeb44a · BellCodeEditor · 0f53c1f3 · 94aeb44a
Commit 94aeb44a authored Apr 11, 2021 by BellCodeEditor
Showing with 9 additions and 0 deletions
123.py
--- a/123.py
+++ b/123.py
+def f(n):
+    if n<=2:
+        return 1
+    
+    value = f(n-1)+f(n-2)
+    return value
+    
+a =f(20)
+print(a)