Find and count unique values of a single column in Pandas DataFrame
# import pandas library
import pandas as pd
# create pandas DataFrame
df = pd.DataFrame({'fruits': ['orange', 'mango', 'apple', 'grapes', 'orange', 'mango'],
'price': ['40', '80', '30', '40', '30', '80'],
'quantity': ['200', '300', '300', '400', '200', '800']
})
# get the count unique values of column fruits
print(df.fruits.value_counts())count unique values pandas
df['hID'].nunique()
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