ch05

2021-10-28 17:38:16 +05:30
parent ee641c189f
commit ef37ce0c4e
46 changed files with 524 additions and 0 deletions
@@ -0,0 +1,14 @@
+# first.n.squares.manual.py
+def get_squares_gen(n):
+    for x in range(n):
+        yield x ** 2
+
+squares = get_squares_gen(4)  # this creates a generator object
+print(squares)  # <generator object get_squares_gen at 0x10dd...>
+print(next(squares))  # prints: 0
+print(next(squares))  # prints: 1
+print(next(squares))  # prints: 4
+print(next(squares))  # prints: 9
+# the following raises StopIteration, the generator is exhausted,
+# any further call to next will keep raising StopIteration
+print(next(squares))