Added variable examples in swap_numbers.py

Author: amratadev

swap_numbers.py

@@ -0,0 +1,8 @@
+a=input("enter value of a:")
+b=input("enter value of b:")
+c=a
+a=b
+b=c
+print("After swapping:")
+print("value of a:",a)
+print("value of b:",b)# Compare this snippet from