diff --git a/Iterate a list in reverse order b/Iterate a list in reverse order
new file mode 100644
index 0000000..25015a3
--- /dev/null
+++ b/Iterate a list in reverse order	
@@ -0,0 +1,22 @@
+
+list1  = [10, 20, 30, 40, 50]
+
+print "original list: ", list1
+
+# iterate the list
+list1 = list1[::-1]
+
+# print the list 
+print "list in reverse order: ", list1
+
+# another list with string and integer elements
+list2 = ['Hello', 10, 'world', 20]
+
+# print the list
+print "Original list: ", list2
+
+# iterate the list
+list2 = list2[::-1]
+
+# print the list
+print "list in reverse order: ", list2
diff --git a/pascal triangle b/pascal triangle
new file mode 100644
index 0000000..d72db19
--- /dev/null
+++ b/pascal triangle	
@@ -0,0 +1,14 @@
+n=int(input("Enter number of rows: "))
+a=[]
+for i in range(n):
+    a.append([])
+    a[i].append(1)
+    for j in range(1,i):
+        a[i].append(a[i-1][j-1]+a[i-1][j])
+    if(n!=0):
+        a[i].append(1)
+for i in range(n):
+    print("   "*(n-i),end=" ",sep=" ")
+    for j in range(0,i+1):
+        print('{0:6}'.format(a[i][j]),end=" ",sep=" ")
+    print()
diff --git a/reverse of nay number b/reverse of nay number
new file mode 100644
index 0000000..c18e712
--- /dev/null
+++ b/reverse of nay number	
@@ -0,0 +1,7 @@
+num = int(input())
+rev = 0
+while num > 0:
+  rem = num % 10 
+  rev = (rev*10) + rem
+  num = num//10 
+print("%d " %rev)