how to check unique values in pandas code example

Example 1: 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}

Example 2: pandas unique values in column

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

Example 3: pandas count unique values in column

df.nunique()