Iterators Tutorial

Python/Iterators-Coding-Problem/iter-demo.py

@@ -0,0 +1,41 @@
+
+class Sentence:
+
+    def __init__(self, sentence):
+        self.sentence = sentence
+        self.index = 0
+        self.words = self.sentence.split()
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        if self.index >= len(self.words):
+            raise StopIteration
+        index = self.index
+        self.index += 1
+        return self.words[index]
+
+
+def sentence(sentence):
+    for word in sentence.split():
+        yield word
+
+
+my_sentence = sentence('This is a test')
+
+# for word in my_sentence:
+#     print(word)
+
+print(next(my_sentence))
+print(next(my_sentence))
+print(next(my_sentence))
+print(next(my_sentence))
+print(next(my_sentence))
+
+
+# This should have the following output:
+# This
+# is
+# a
+# test