save project

aaaaa.py

-def n(num):
-if num == 1:
+def n( num ):
+    if num <= 2 :
+        return 1
+    num = n( n - 1 ) + n( n - 2 )
+    return num 
+i = 1
+while( n(i) <= 20 ):
+   i+=1
+print(i)
+