diff --git a/your-code/.ipynb_checkpoints/main-checkpoint.ipynb b/your-code/.ipynb_checkpoints/main-checkpoint.ipynb
index d68aeb6..4a6dcd5 100755
--- a/your-code/.ipynb_checkpoints/main-checkpoint.ipynb
+++ b/your-code/.ipynb_checkpoints/main-checkpoint.ipynb
@@ -21,7 +21,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -30,23 +30,37 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [],
    "source": [
     "def summation(num):\n",
     "    # This function returns 1+2+3+....+num\n",
+    "    '''Esta funcion retorna la suma de los numeros del 1 al argumento num'''\n",
+    "    num_list = [i for i in range(1,num+1)]\n",
+    "    return sum(num_list)\n",
     "    \n",
     "    # Your code here: "
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 9,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Esta funcion retorna la suma de los numeros del 1 al argumento num\n",
+      "2926\n"
+     ]
+    }
+   ],
    "source": [
-    "# print summation"
+    "# print summation\n",
+    "print(summation.__doc__)\n",
+    "print( summation(num))"
    ]
   },
   {
@@ -60,7 +74,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -69,23 +83,32 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 23,
    "metadata": {},
    "outputs": [],
    "source": [
     "def summation2(*args):\n",
     "    # This function returns the sum of *args\n",
-    "    \n",
-    "    # Your code here:"
+    "    return sum(args)\n",
+    "    # Your code here:\n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 24,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "27\n"
+     ]
+    }
+   ],
    "source": [
-    "# print summation2"
+    "# print summation2\n",
+    "print(summation2(*array))"
    ]
   },
   {
@@ -97,23 +120,32 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 25,
    "metadata": {},
    "outputs": [],
    "source": [
     "def summation3(a, b, c):\n",
     "    # This function returns a+b+c\n",
-    "    \n",
-    "    # Your code here:"
+    "    return  a + b + c\n",
+    "    # Your code here:\n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 26,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "27\n"
+     ]
+    }
+   ],
    "source": [
-    "# print summation3"
+    "# print summation3\n",
+    "print(summation3(array[0],array[1], array[2]))"
    ]
   },
   {
@@ -125,7 +157,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 28,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -134,14 +166,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 49,
    "metadata": {},
    "outputs": [],
    "source": [
     "def summation4(**kwargs):\n",
     "    # This function returns the sum of all M&Ms, except the red ones\n",
-    "    \n",
-    "    # Your code here:"
+    "    x = 0\n",
+    "    for i,j in kwargs.items() :\n",
+    "        if not i == 'red': x = x + j\n",
+    "    # Your code here:\n",
+    "    return x"
    ]
   },
   {
@@ -150,7 +185,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# print summation4"
+    "# print summation4\n",
+    "print(summation4(**dictionary))"
    ]
   },
   {
@@ -162,7 +198,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 51,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -175,23 +211,36 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 57,
    "metadata": {},
    "outputs": [],
    "source": [
-    "def summation5('define the function input'):\n",
+    "def summation5(a, b, c, *arg, **kwarg):\n",
     "    # This function returns the sum of a,b,c,d and e\n",
     "    # You need to define the function input\n",
-    "    # Your code here:"
+    "    # Your code here:\n",
+    "    int_sum = a + b + c\n",
+    "    lst_sum = sum(arg)\n",
+    "    dict_sum = sum(kwarg.values())\n",
+    "    return int_sum + lst_sum + dict_sum\n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 58,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "769\n"
+     ]
+    }
+   ],
    "source": [
-    "# print summation5"
+    "# print summation5\n",
+    "print(summation5(a,b,c,*d,**e))"
    ]
   },
   {
@@ -205,9 +254,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 60,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1\n"
+     ]
+    }
+   ],
    "source": [
     "# We first define our iterator:\n",
     "\n",
@@ -220,9 +277,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 61,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "2\n"
+     ]
+    }
+   ],
    "source": [
     "# We continue to iterate through the iterator.\n",
     "\n",
@@ -231,18 +296,38 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 62,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3\n"
+     ]
+    }
+   ],
    "source": [
     "print(next(iterator))"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 63,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "StopIteration",
+     "evalue": "",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[1;31mStopIteration\u001b[0m                             Traceback (most recent call last)",
+      "\u001b[1;32m~\\AppData\\Local\\Temp/ipykernel_19548/3052031144.py\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      1\u001b[0m \u001b[1;31m# After we have iterated through all elements, we will get a StopIteration Error\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      2\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 3\u001b[1;33m \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mnext\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0miterator\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
+      "\u001b[1;31mStopIteration\u001b[0m: "
+     ]
+    }
+   ],
    "source": [
     "# After we have iterated through all elements, we will get a StopIteration Error\n",
     "\n",
@@ -251,14 +336,25 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 76,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "<list_iterator object at 0x000001C8A5E19E50>\n",
+      "1\n",
+      "2\n",
+      "3\n"
+     ]
+    }
+   ],
    "source": [
     "# We can also iterate through an iterator using a for loop like this:\n",
     "# Note: we cannot go back directly in an iterator once we have traversed through the elements. \n",
     "# This is why we are redefining the iterator below\n",
-    "\n",
+    "print(iterator)\n",
     "iterator = iter([1,2,3])\n",
     "\n",
     "for i in iterator:\n",
@@ -274,7 +370,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 94,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -288,16 +384,31 @@
     "    # Sample Input: iter([1,2,3])\n",
     "    # Sample Output: 2\n",
     "    \n",
-    "    # Your code here:"
+    "    # Your code here:\n",
+    "    for i in iterator:\n",
+    "        if i % 2 == 0 :\n",
+    "            return i\n",
+    "            break\n",
+    "            \n",
+    "        \n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 95,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "2\n"
+     ]
+    }
+   ],
    "source": [
-    "# print divisible2"
+    "# print divisible2\n",
+    "print(divisible2(iterator))"
    ]
   },
   {
@@ -311,7 +422,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 96,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -331,9 +442,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 98,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0\n",
+      "1\n",
+      "2\n",
+      "3\n",
+      "4\n"
+     ]
+    }
+   ],
    "source": [
     "iterator = firstn(5)\n",
     "\n",
@@ -350,7 +473,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 99,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -360,12 +483,16 @@
     "    # Output: iterator\n",
     "    \n",
     "    # Sample Input: 5\n",
-    "    # Sample Output: iter([0, 2, 4])"
+    "    # Sample Output: iter([0, 2, 4])\n",
+    "     number = 0\n",
+    "     while number < n:\n",
+    "         yield number\n",
+    "         number = number + 2    "
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 100,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -374,15 +501,29 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
+   "execution_count": 102,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0\n",
+      "2\n",
+      "4\n"
+     ]
+    }
+   ],
+   "source": [
+    "iterator = even_iterator(5)\n",
+    "for i in iterator:\n",
+    "    print(i)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -396,7 +537,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.4"
+   "version": "3.9.6"
   }
  },
  "nbformat": 4,
diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index d68aeb6..ad61ab9 100755
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -21,7 +21,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -30,23 +30,37 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [],
    "source": [
     "def summation(num):\n",
     "    # This function returns 1+2+3+....+num\n",
+    "    '''Esta funcion retorna la suma de los numeros del 1 al argumento num'''\n",
+    "    num_list = [i for i in range(1,num+1)]\n",
+    "    return sum(num_list)\n",
     "    \n",
     "    # Your code here: "
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 6,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Esta funcion retorna la suma de los numeros del 1 al argumento num\n",
+      "2926\n"
+     ]
+    }
+   ],
    "source": [
-    "# print summation"
+    "# print summation\n",
+    "print(summation.__doc__)\n",
+    "print( summation(num))"
    ]
   },
   {
@@ -60,7 +74,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 7,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -69,23 +83,32 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 8,
    "metadata": {},
    "outputs": [],
    "source": [
     "def summation2(*args):\n",
     "    # This function returns the sum of *args\n",
-    "    \n",
-    "    # Your code here:"
+    "    return sum(args)\n",
+    "    # Your code here:\n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 9,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "27\n"
+     ]
+    }
+   ],
    "source": [
-    "# print summation2"
+    "# print summation2\n",
+    "print(summation2(*array))"
    ]
   },
   {
@@ -97,23 +120,32 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [],
    "source": [
     "def summation3(a, b, c):\n",
     "    # This function returns a+b+c\n",
-    "    \n",
-    "    # Your code here:"
+    "    return  a + b + c\n",
+    "    # Your code here:\n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 11,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "27\n"
+     ]
+    }
+   ],
    "source": [
-    "# print summation3"
+    "# print summation3\n",
+    "print(summation3(*array))"
    ]
   },
   {
@@ -125,7 +157,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -134,23 +166,35 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [],
    "source": [
     "def summation4(**kwargs):\n",
     "    # This function returns the sum of all M&Ms, except the red ones\n",
-    "    \n",
-    "    # Your code here:"
+    "    x = 0\n",
+    "    for i,j in kwargs.items() :\n",
+    "        if not i == 'red': x = x + j\n",
+    "    # Your code here:\n",
+    "    return x"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 14,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "54\n"
+     ]
+    }
+   ],
    "source": [
-    "# print summation4"
+    "# print summation4\n",
+    "print(summation4(**dictionary))"
    ]
   },
   {
@@ -162,7 +206,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 15,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -175,23 +219,36 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 16,
    "metadata": {},
    "outputs": [],
    "source": [
-    "def summation5('define the function input'):\n",
+    "def summation5(a, b, c, *arg, **kwarg):\n",
     "    # This function returns the sum of a,b,c,d and e\n",
     "    # You need to define the function input\n",
-    "    # Your code here:"
+    "    # Your code here:\n",
+    "    int_sum = a + b + c\n",
+    "    lst_sum = sum(arg)\n",
+    "    dict_sum = sum(kwarg.values())\n",
+    "    return int_sum + lst_sum + dict_sum\n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 17,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "769\n"
+     ]
+    }
+   ],
    "source": [
-    "# print summation5"
+    "# print summation5\n",
+    "print(summation5(a,b,c,*d,**e))"
    ]
   },
   {
@@ -205,9 +262,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 18,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1\n"
+     ]
+    }
+   ],
    "source": [
     "# We first define our iterator:\n",
     "\n",
@@ -220,9 +285,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 19,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "2\n"
+     ]
+    }
+   ],
    "source": [
     "# We continue to iterate through the iterator.\n",
     "\n",
@@ -231,18 +304,38 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 20,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3\n"
+     ]
+    }
+   ],
    "source": [
     "print(next(iterator))"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 21,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "StopIteration",
+     "evalue": "",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[1;31mStopIteration\u001b[0m                             Traceback (most recent call last)",
+      "\u001b[1;32m~\\AppData\\Local\\Temp/ipykernel_26916/3052031144.py\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      1\u001b[0m \u001b[1;31m# After we have iterated through all elements, we will get a StopIteration Error\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      2\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 3\u001b[1;33m \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mnext\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0miterator\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
+      "\u001b[1;31mStopIteration\u001b[0m: "
+     ]
+    }
+   ],
    "source": [
     "# After we have iterated through all elements, we will get a StopIteration Error\n",
     "\n",
@@ -251,14 +344,25 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 22,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "<list_iterator object at 0x000001E561CCE040>\n",
+      "1\n",
+      "2\n",
+      "3\n"
+     ]
+    }
+   ],
    "source": [
     "# We can also iterate through an iterator using a for loop like this:\n",
     "# Note: we cannot go back directly in an iterator once we have traversed through the elements. \n",
     "# This is why we are redefining the iterator below\n",
-    "\n",
+    "print(iterator)\n",
     "iterator = iter([1,2,3])\n",
     "\n",
     "for i in iterator:\n",
@@ -274,7 +378,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -288,16 +392,31 @@
     "    # Sample Input: iter([1,2,3])\n",
     "    # Sample Output: 2\n",
     "    \n",
-    "    # Your code here:"
+    "    # Your code here:\n",
+    "    for i in iterator:\n",
+    "        if i % 2 == 0 :\n",
+    "            return i\n",
+    "            break\n",
+    "            \n",
+    "        \n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 28,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "2\n"
+     ]
+    }
+   ],
    "source": [
-    "# print divisible2"
+    "# print divisible2\n",
+    "print(divisible2(iterator))"
    ]
   },
   {
@@ -311,7 +430,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 29,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -331,9 +450,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 30,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0\n",
+      "1\n",
+      "2\n",
+      "3\n",
+      "4\n"
+     ]
+    }
+   ],
    "source": [
     "iterator = firstn(5)\n",
     "\n",
@@ -350,7 +481,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 31,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -360,18 +491,54 @@
     "    # Output: iterator\n",
     "    \n",
     "    # Sample Input: 5\n",
-    "    # Sample Output: iter([0, 2, 4])"
+    "    # Sample Output: iter([0, 2, 4])\n",
+    "     number = 0\n",
+    "     while number < n:\n",
+    "         yield number\n",
+    "         number = number + 2    "
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [],
    "source": [
     "# print even_iterator"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 38,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0\n",
+      "2\n",
+      "4\n",
+      "6\n",
+      "8\n",
+      "10\n",
+      "12\n",
+      "14\n",
+      "16\n",
+      "18\n",
+      "20\n",
+      "22\n",
+      "24\n",
+      "26\n"
+     ]
+    }
+   ],
+   "source": [
+    "iterator = even_iterator(27)\n",
+    "for i in iterator:\n",
+    "    print(i)"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -382,7 +549,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -396,7 +563,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.4"
+   "version": "3.9.6"
   }
  },
  "nbformat": 4,