# Python Program to Find the Union of two Lists

Here we will write a program in Python to find union of two lists. We will write a user defined function to enter the lists and will display the union as output.

### Step-wise Solution:

1. Define a function which accepts two lists and returns the union of them.
2. Declare two empty lists and initialise to an empty list.
3. Consider a for loop to accept values for two lists.
4. Take the number of elements in the list and store it in a variable.
5. Accept the values into the list using another for loop and insert into the list.
6. Repeat 4 and 5 for the second list also.
7. Find the union of the two lists.
8. Print the union.
9. Exit.

Now lets write the code for the same.

## Python Program to Find the Union of two Lists

# program in python to find the union of two lists

a=[]
n= int(input("Enter the number of elements in list:"))
for x in range(0,n):
element=int(input("Enter element" + str(x+1) + ":"))
a.append(element)
b=[sum(a[0:x+1]) for x in range(0,len(a))]
print("The original list is: ",a)
print("The new list is: ",b)

### OUTPUT:

Enter the number of elements in list:5
Enter element1:10
Enter element2:10
Enter element3:20
Enter element4:20
Enter element5:20
Non-duplicate items:
[10, 20]

Please comment for any suggestion or concerns.