diff --git a/project_euler/problem_25/sol2.py b/project_euler/problem_25/sol2.py
new file mode 100644
index 00000000..35147a9b
--- /dev/null
+++ b/project_euler/problem_25/sol2.py
@@ -0,0 +1,10 @@
+def fibonacci_genrator():
+	a, b = 0,1
+	while True:
+		a,b = b,a+b
+		yield b
+answer = 1
+gen = fibonacci_genrator()
+while len(str(next(gen))) < 1000:
+	answer += 1
+assert answer+1 == 4782