This can be done in different ways −
Using concatenation operator
Example
l1=[1,2,3]
l2=[2,3,4]
l3=l1+l2
print ('new list', l3)Output
This will print
new list [1, 2, 3, 2, 3, 4]
Using append method of list object
Example
l1=[1,2,3]
l1=[3,4,5]
l1.append(l2)
print ('appended list', l1)Output
Here’s the result
appended list [3, 4, 5, [2, 3, 4]]
Using extend method
Example
l1=[1,2,3]
l1=[3,4,5]
l1.extend(l2)
print ('extended list', l1)Output
The output is as follows −
extended list [1, 2, 3, 3, 4, 5]
Obtain list without duplicates
First concatenate list, then use set() function to eliminate duplicates and then use list() function to convert set to list
Example
l1=[1,2,3]
l2=[3,4,5]
l=list(set(l1+l2))
print ('list without duplicates',l)Output
Resulting list object will be
list without duplicates [1, 2, 3, 4, 5]