diff --git a/kaisen/kaisen/src/deji/file.py b/kaisen/kaisen/src/deji/file.py
index 7ff4771..4d2092b 100644
--- a/kaisen/kaisen/src/deji/file.py
+++ b/kaisen/kaisen/src/deji/file.py
@@ -1 +1,20 @@
-print ("hello world, my name is Adedeji Awolesi")
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+print ("hello world, my name is Adedeji Awolesi")
+
+#Create a function
+def add(a,b):
+    add = a + b
+    return add
+print(add(2,3))
+
+#Write a function that calls another function
+def subtract(a,b):
+    difference = add(a,b)
+    diff = difference - b
+    return diff
+print(subtract(3,2))
+
+
+#Write a list of python store that store all things you wants, preferabley names
+list = [1,2,3,4,5,6,7,8,9,10]
+
+print(len(list))
\ No newline at end of file