diff --git a/f1.py b/f1.py
new file mode 100644
index 0000000..0cb30fd
--- /dev/null
+++ b/f1.py
@@ -0,0 +1 @@
+fork1
diff --git a/f2.py b/f2.py
new file mode 100644
index 0000000..9de77c1
--- /dev/null
+++ b/f2.py
@@ -0,0 +1 @@
+f2
diff --git a/f3.py b/f3.py
new file mode 100644
index 0000000..45d9e0e
--- /dev/null
+++ b/f3.py
@@ -0,0 +1 @@
+f3
diff --git a/python1.py b/python1.py
new file mode 100644
index 0000000..7a960a0
--- /dev/null
+++ b/python1.py
@@ -0,0 +1,8 @@
+#!/usr/bin/python
+sum=0;
+for i in range(1,36):
+	if i%5==0 and i%7!=0:
+		sum=int(sum)+int(i)
+print(sum)		
+
+		
diff --git a/python2.py b/python2.py
new file mode 100644
index 0000000..b6f7eb5
--- /dev/null
+++ b/python2.py
@@ -0,0 +1,12 @@
+#!/usr/bin/python
+ln=6
+wd=8
+ht=10
+area=int(ln)*int(wd)
+volume=int(ln)*int(ht)*int(wd)
+print("initial area is "+str(area))
+print("initial volume is "+str(volume))
+area1=float(int(ln)+float(15/100*ln))*float(int(wd)+float(15/100*wd))
+print("increased area is "+str(area1))
+volume2=float(int(ln)+float(15/100*ln))*float(int(wd)+float(15/100*wd))*float(int(ht)+float(15/100*ht))
+print("increased volume is "+str(volume2))
diff --git a/python3.py b/python3.py
new file mode 100644
index 0000000..2496463
--- /dev/null
+++ b/python3.py
@@ -0,0 +1 @@
+createing files
diff --git a/python4.py b/python4.py
new file mode 100644
index 0000000..f7aaefc
--- /dev/null
+++ b/python4.py
@@ -0,0 +1,3 @@
+hi
+hello
+how are you