Python | Pandas Index.is_unique
Last Updated :
20 Feb, 2019
Pandas Index is an immutable ndarray implementing an ordered, sliceable set. It is the basic object which stores the axis labels for all pandas objects.
Pandas Index.is_unique
attribute return True
if the underlying data in the given Index object is unique else it return False
.
Syntax: Index.is_unique
Parameter : None
Returns : boolean
Example #1: Use Index.is_unique
attribute to find out if the underlying data in the given Index object is unique or not.
import pandas as pd
idx = pd.Index([ 'Melbourne' , 'Sanghai' , 'Lisbon' , 'Doha' , 'Moscow' ])
print (idx)
|
Output :
Now we will use Index.is_unique
attribute to find out if the underlying data in the given Index object is unique or not.
result = idx.is_unique
print (result)
|
Output :
As we can see in the output, the Index.is_unique
attribute has returned True
indicating that the underlying data of the given Index object is unique.
Example #2 : Use Index.is_unique
attribute to find out if the underlying data in the given Index object is unique or not.
import pandas as pd
idx = pd.Index([ 900 , 700 , 620 , 388 , 900 ])
print (idx)
|
Output :
Now we will use Index.is_unique
attribute to find out if the underlying data in the given Index object is unique or not.
result = idx.is_unique
print (result)
|
Output :
As we can see in the output, the Index.is_unique
attribute has returned False
indicating that the underlying data of the given Index object is not unique.
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