Update 001_Python_Functions.ipynb

Author: milaan9

001_Python_Functions.ipynb

@@ -1489,7 +1489,7 @@
     "### Exercises ➞ <span class='label label-default'>Level 3</span>\n",
     "\n",
     "1. Write a function called **`is_prime`**, which checks if a number is prime.\n",
-    "1. Write a functions which checks if all items are unique in the list.\n",
+    "1. Write a functions which checks if all the items are unique in the list.\n",
     "1. Write a function which checks if all the items of the list are of the same data type.\n",
     "1. Write a function which check if provided variable is a valid python variable\n",
     "1. Go to the data folder and access the **[countries-data.py](https://github.com/milaan9/03_Python_Flow_Control/blob/main/countries_details_data.py)** file.\n",