how to append list without redundancy code example

Example 1: python remove duplicates from a list

# HOW TO REMOVE DUPLICATES FROM A LIST:
# 1) CREATE A LIST
my_list = [1, 2, 3, 4, 5, 5, 5, 1]
# 2) CONVERT IT TO A SET AND THEN BACK INTO A LIST
my_list = list(set(my_list))
# 3) DONE! 
print(my_list) #WILL PRINT: [1, 2, 3, 4, 5]

Example 2: python remove duplicates from list

''' we can convert the list to set and then back to list'''
a=[1,1,2,3,4,5,6,6,7]
'''b=(list(set(a))) # will have only unique elemenets'''