更新

Python-100-Days/Day66-75/code/generator01.py

@@ -0,0 +1,21 @@
+def fib():
+    a, b = 0, 1
+    while True:
+        a, b = b, a + b
+        yield a
+
+
+def even(gen):
+    for val in gen:
+        if val % 2 == 0:
+            yield val
+
+
+def main():
+    gen = even(fib())
+    for _ in range(10):
+        print(next(gen))
+
+
+if __name__ == '__main__':
+    main()