unique values in series pandas code example

Example 1: pandas unique values in column

#List unique values in the df['name'] column
df.name.unique()

Example 2: pandas unique values to list

df.groupby('param')['column'].nunique().sort_values(ascending=False).unique().tolist()

Example 3: Count unique values Pandas

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