Answers for "how to check unique values in pandas column"

return count of unique values pandas

#TO count repetition of each unique values(to find How many times the same-
# unique value is appearing in the data)

item_counts = df["Your_Column"].value_counts()
#Returns Dictionary => {"Value_name" : number_of_appearences}

Count unique values Pandas

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

dataframe python unique values rows

# get the unique values (rows)
df.drop_duplicates()

if df[col].unique()==2

df_dict = dict(zip([i for i in df.columns] , [pd.DataFrame(df[i].unique(), columns=[i]) for i in df.columns]))