how to count number of unique values in a column python
pd.value_counts(df.Account_Type)
Gold        3
Platinum    1
Name: Account_Type, dtype: int64
                                
                            how to count number of unique values in a column python
pd.value_counts(df.Account_Type)
Gold        3
Platinum    1
Name: Account_Type, dtype: int64
                                
                            counting unique values python
df.loc[df['mID']=='A','hID'].agg(['nunique','count','size'])
                                
                            count unique values in python
aa="XXYYYSBAA"
bb=dict(zip(list(aa),[list(aa).count(i) for i in list(aa)]))
print(bb)
# output:
# {'X': 2, 'Y': 3, 'S': 1, 'B': 1, 'A': 2}
                                
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