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Introduction to python/First-Class-Functions.ipynb

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+{
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+   "source": [
+    "# First Class Functions in Python\n",
+    "<br>\n",
+    "--> First Class Objects in a language are handled uniformly throughout.<br><br>\n",
+    "--> They may be stored in data structures,passed as arguments, or used in control structures.<br><br>\n",
+    "--> A Programming Language is said to support First Class functions if it treats functions as First Class objects.<br><br>\n",
+    "--> Python supports the concept of First Class functions.<br>"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "a531863c",
+   "metadata": {},
+   "source": [
+    "# Properties of First Class Functions\n",
+    "<br>\n",
+    "--> A function is an instance of the object type.<br><br>\n",
+    "--> Function can be stored in a variable.<br><br>\n",
+    "--> Function can be passed as a parameter to another function.<br><br>\n",
+    "--> Function can be returned from a function<br><br>\n",
+    "--> Function can be stored in data structures such as hash tables,lists.<br>"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "7d21f43d",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "First Class Function in Python\n",
+      "Function to convert string to Uppercase\n",
+      "Uppercase string from function is: HELLO\n",
+      "Uppercase string from variable is: HELLO\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Example of First Class Functions with one argument\n",
+    "\n",
+    "print(\"First Class Function in Python\")\n",
+    "print(\"Function to convert string to Uppercase\")\n",
+    "\n",
+    "# Creating a function to convert string to uppercase\n",
+    "def shout(text):\n",
+    "    return text.upper()\n",
+    "\n",
+    "# Calling function\n",
+    "print(\"Uppercase string from function is:\",shout(\"Hello\"))\n",
+    "\n",
+    "# Storing in variable\n",
+    "yell=shout\n",
+    "\n",
+    "# Calling function using variable\n",
+    "print(\"Uppercase string from variable is:\",yell(\"Hello\"))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "id": "c95f28d7",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "First Class Function in Python\n",
+      "Function to convert string to Uppercase\n",
+      "Concatenated string from function is: Hello,How are You?\n",
+      "Concatenated string from variable is: Hello,How are You?\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Example of First Class Functions with three arguments\n",
+    "\n",
+    "print(\"First Class Function in Python\")\n",
+    "print(\"Function to convert string to Uppercase\")\n",
+    "\n",
+    "# Creating a function to add string\n",
+    "def calc(a,b,c):\n",
+    "    return a+b+c\n",
+    "\n",
+    "# Calling function\n",
+    "print(\"Concatenated string from function is:\",calc(\"Hello\",\",\",\"How are You?\"))\n",
+    "\n",
+    "# Storing in variable\n",
+    "c=calc\n",
+    "\n",
+    "# Calling function using variable\n",
+    "print(\"Concatenated string from variable is:\",calc(\"Hello\",\",\",\"How are You?\"))"
+   ]
+  }
+ ],
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