diff --git a/Lambda.py b/Lambda.py
new file mode 100644
index 0000000..48dda8a
--- /dev/null
+++ b/Lambda.py
@@ -0,0 +1,36 @@
+# this program shows the usage of the lambda function in python
+# the lambda function refers to any anonymous function 
+
+# syntax :    
+# lambda arguments : expression 
+
+# wwhen to use lambda function :::: when u need an anonymous function for a short period of time or when u ned to pass an function as a argument to another function 
+
+
+add = lambda a,b,c,d : a + b + c + d
+
+print(add(1,2,3,4))
+
+sub = lambda a,b : a - b
+
+print(sub(10,11))
+ 
+def myfunc(x):
+    return lambda n: n*x
+
+y = myfunc(20)
+print(y(2))
+
+say_hello = lambda : print("hello")
+
+say_hello()
+
+
+my_list = [1,2,3,4,5,6,7,8,9,10]
+
+new_list = list(filter(lambda x: x%2==0,my_list))   # the filter function takes two arguments one function and another list 
+
+
+print(new_list)
+
+
diff --git a/classes_objects.py b/classes_objects.py
new file mode 100644
index 0000000..c886366
--- /dev/null
+++ b/classes_objects.py
@@ -0,0 +1,23 @@
+#this program is an implementation of the classes and objects in python 
+
+# classes serve as an blueprint for making objects in an code
+# everything in OOP is regarded as an object 
+# the properies defined in the class are called attributes and the functions are called methods
+
+
+class Human:
+    def __init__(self,name,age,gender):
+        self.name = name
+        self.age = age
+        self.gender = gender
+
+    def My_classFunc(self):
+        print("Hello I am " + self.name)
+    
+Human1 = Human("David",32,"male")
+
+print(Human1.name)
+print(Human1.age)
+print(Human1.gender)
+Human1.My_classFunc()
+
diff --git a/function.py b/function.py
index 9845e94..3f651f4 100755
--- a/function.py
+++ b/function.py
@@ -4,8 +4,6 @@ def __main__():
     print("This is the first function of mine")
     print("we are in main !! ")
 
-__main__()
-
 def math():
     x = int(input("enter your first number: "))
     y = int(input("enter your second number:"))
@@ -14,6 +12,7 @@ def math():
     print("quotient = ",x/y)
     print("difference = ",x-y)
 
+__main__()
 
 math()
 
diff --git a/recurse.py b/recurse.py
new file mode 100644
index 0000000..af6ef17
--- /dev/null
+++ b/recurse.py
@@ -0,0 +1,11 @@
+# program depicting the use of recursion in python 
+
+def my_recursion(n):
+    if n == 1:
+        return 1
+    else:
+        return (n * my_recursion(n-1))
+
+x = my_recursion(900)
+print(x)
+
diff --git a/while.py b/while.py
index e4644a4..58bcc8d 100644
--- a/while.py
+++ b/while.py
@@ -6,8 +6,12 @@
 }
 i = 0
 while i<10 :
-    print(mydict)
     i += 1
+    if i ==3 :
+        continue
+    
+    print(mydict)
+    
 
 
  
\ No newline at end of file