Added Iterators and Generators - Lab

Author: MitkoVtori

OOP/8.Iterators and Generators/# TODO.txt

@@ -0,0 +1,17 @@
+class custom_range:
+
+    def __init__(self, start, end):
+       self.start = start
+       self.end = end
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        if self.start <= self.end:
+            i = self.start
+            self.start += 1
+            return i
+        else:
+            raise StopIteration()
+        

OOP/8.Iterators and Generators/Iterators and Generators - Lab/01. Custom Range.py

@@ -0,0 +1,17 @@
+class reverse_iter:
+
+    def __init__(self, iterable):
+        self.iter = iterable[::-1]
+        self.index = 0
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+         i = self.index
+         if i < len(self.iter):
+             self.index += 1
+             return self.iter[i]
+         else:
+             raise StopIteration()
+

OOP/8.Iterators and Generators/Iterators and Generators - Lab/02. Reverse Iter.py

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+class vowels:
+
+    def __init__(self, string):
+        self.vowels = ['a', 'e', 'i', 'u', 'y', 'o']
+        self.string = ''.join([x for x in string if x.lower() in self.vowels])
+        self.index = 0
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        i = self.index
+        if i < len(self.string):
+            self.index += 1
+            return self.string[i]
+        else:
+            raise StopIteration()
+

OOP/8.Iterators and Generators/Iterators and Generators - Lab/03. Vowels.py

@@ -0,0 +1,6 @@
+def squares(n):
+    num = 1
+    while num <= n:
+        yield num * num
+        num += 1
+

OOP/8.Iterators and Generators/Iterators and Generators - Lab/04. Squares.py

@@ -0,0 +1,4 @@
+def genrange(start, end):
+    for i in range(start, end+1):
+        yield i
+

OOP/8.Iterators and Generators/Iterators and Generators - Lab/05. Generator Range.py

@@ -0,0 +1,5 @@
+def reverse_text(string):
+    string = string[::-1]
+    for char in string:
+        yield char
+