diff --git a/README.md b/README.md
new file mode 100644
index 0000000..aae445a
--- /dev/null
+++ b/README.md
@@ -0,0 +1,21 @@
+# Python-for-Beginners
+Here you can find all the main Python files written throughout my free YouTube tutorial series Python for Beginners!
+##Topics Covered :
+
+-> [if...elif...else](https://www.tutorialspoint.com/python/python_if_else.htm)
+
+-> [class and object](https://www.w3schools.com/python/python_classes.asp)
+
+-> [constructors](https://www.geeksforgeeks.org/constructors-in-python/)
+
+-> [file handling](https://www.tutorialspoint.com/python/python_files_io.htm)
+
+-> [functions](https://www.tutorialspoint.com/python/python_functions.htm)
+
+-> [loops](https://www.tutorialspoint.com/python/python_loops.htm)
+
+-> [modules](https://www.tutorialspoint.com/python/python_modules.htm)
+    
+-----> [re module](https://www.w3schools.com/python/python_regex.asp)
+
+-> [tuples](https://www.tutorialspoint.com/python/python_tuples.htm)
diff --git a/class.py b/class.py
index c358896..2286207 100644
--- a/class.py
+++ b/class.py
@@ -1,6 +1,36 @@
-class Person:
+#A simple program to under the concept of class and object in python3
+class BookStore:
+    noOfBooks = 0
+ 
+    def __init__(self, title, author):
+        self.title = title
+        self.author = author
+        BookStore.noOfBooks += 1
+ 
+    def bookInfo(self):
+        print("Book title:", self.title)
+        print("Book author:", self.author,"\n")
+ 
+# Create a virtual book store
+b1 = BookStore("Great Expectations", "Charles Dickens")
+b2 = BookStore("War and Peace", "Leo Tolstoy")
+b3 = BookStore("Middlemarch", "George Eliot")
+ 
+# call member functions for each object
+b1.bookInfo()
+b2.bookInfo()
+b3.bookInfo()
 
-    age = 18
+print("BookStore.noOfBooks:", BookStore.noOfBooks)
 
-    def name(self, name):
-        return list(name)
+##OUTPUT :
+#Book title: Great Expectations
+#Book author: Charles Dickens 
+
+#Book title: War and Peace
+#Book author: Leo Tolstoy 
+
+#Book title: Middlemarch
+#Book author: George Eliot 
+
+#BookStore.noOfBooks: 3
diff --git a/constructors.py b/constructors.py
new file mode 100644
index 0000000..6e9c27e
--- /dev/null
+++ b/constructors.py
@@ -0,0 +1,9 @@
+ # Concept of constructor in python3
+   class point():
+    	def __init__(self, x=0, y=0):
+    		self.x = x
+    		self.y = y
+     
+    p = point(10,20)  # x = 10, y = 20
+    p = point(10)	    # x = 10, y = 0
+    p = point()	      # x = 0, y = 0
diff --git a/loops.py b/loops.py
index 8441ac9..014be5c 100644
--- a/loops.py
+++ b/loops.py
@@ -1,16 +1,53 @@
-
 """
-# For loop
-numbers = range(1,11)
+### For loop
+int_list = [1, 2, 3, 4, 5, 6]
+sum = 0
+for iter in int_list:
+    sum += iter
+print("Sum =", sum)
+print("Avg =", sum/len(int_list))
 
-for number in numbers:
-    print(number)
+##Output :
+#Sum = 21
+#Avg = 3.5
 """
 
-# While loop
+"""
+### Nested For loop
+for x in range(1,5): 
+  for y in range(1,5): 
+    print(x*y)
+    
+##Output :
+#1
+#2
+#3
+#4
+#2
+#4
+#6
+#8
+#3
+#6
+#9
+#12
+#4
+#8
+#12
+#16
+"""
 
-count = 0
+### While Loop
+fruits = ["banana", "apple", "orange", "kiwi"]
+position = 0
+while position < len(fruits):
+    print(fruits[position])
+    position = position + 1
+print("reached end of list")
 
-while count < 5:
-    print(count)
-    count += 1
+##Output :
+#banana
+#apple
+#orange
+#kiwi
+#reached end of list