From f61eda145abfd57e22bbdbaa0601ae78829ff075 Mon Sep 17 00:00:00 2001
From: tengge1 <930372551@qq.com>
Date: Mon, 2 Sep 2019 20:10:47 +0800
Subject: [PATCH] iterators

---
 test/python/class_test.py | 20 ++++++++++++++++++
 test/python/iterators.py  | 44 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 test/python/class_test.py
 create mode 100644 test/python/iterators.py

diff --git a/test/python/class_test.py b/test/python/class_test.py
new file mode 100644
index 00000000..66088033
--- /dev/null
+++ b/test/python/class_test.py
@@ -0,0 +1,20 @@
+class MyClass:
+    '''A simple example class'''
+    i = 12345
+
+    def __init__(self):
+        self.i = 123
+
+    def f(self):
+        print(self.i)
+
+
+class DerivedClass(MyClass):
+    pass
+
+x = DerivedClass()
+x.f()
+
+x.name = 'Test'
+
+print(x.name)
\ No newline at end of file
diff --git a/test/python/iterators.py b/test/python/iterators.py
new file mode 100644
index 00000000..597e4e11
--- /dev/null
+++ b/test/python/iterators.py
@@ -0,0 +1,44 @@
+for i in [1, 2, 3]:
+    print(i)
+
+for i in (4, 5, 6):
+    print(i)
+
+for i in {'a': 1, 'b': '2'}:
+    print(i)
+
+a = iter('111')
+print(next(a))
+print(next(a))
+print(next(a))
+
+
+class Reverse:
+    def __init__(self, data):
+        self.data = data
+        self.index = len(data)
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        if self.index == 0:
+            raise StopIteration
+        self.index = self.index - 1
+        return self.data[self.index]
+
+
+rev = Reverse('spam')
+print(iter(rev))
+
+for char in rev:
+    print(char)
+
+
+def reverse(data):
+    for index in range(len(data) - 1, -1, -1):
+        yield data[index]
+
+
+for char in reverse('golf'):
+    print(char)