Answers for "how to fing unique value count in python"

count unique values pandas

df['hID'].nunique()
5

Count unique values Pandas

df = df.groupby('domain')['ID'].nunique()

count unique values in python

words = ['a', 'b', 'c', 'a']
unique_words = set(words)             # == set(['a', 'b', 'c'])
unique_word_count = len(unique_words) # == 3