# Write a Python program to Remove all duplicates words from a given sentence from collections import Counterdef remov_duplicates(input):    # split input string separated by space    input = input.split(" ")    # joins two adjacent elements in iterable way    for i in range(0, len(input)):        input[i] = "".join(input[i])    # now create dictionary using counter method    # which will have strings as key and their    # frequencies as value    UniqW = Counter(input)    # joins two adjacent elements in iterable way    s = " ".join(UniqW.keys())    print (s)# Driver programif __name__ == "__main__":    input = 'Python is great and Java is also great'    remov_duplicates(input)