get a list of unique values in a column pandas code example
Example 1: pandas unique values in column
#List unique values in the df['name'] column
df.name.unique()
Example 2: get list of unique values in pandas column
a = df['column name'].unique() #returns a list of unique values
Example 3: pandas unique values to list
df.groupby('param')['column'].nunique().sort_values(ascending=False).unique().tolist()