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Python Pandas - Check if the index has unique values
To check if the index has unique values, use the index.is_unique.
At first, import the required libraries −
import pandas as pd
Let us create the index −
index = pd.Index([50, 40, 30, 20, 10])
Display the index −
print("Pandas Index...\n",index)
Check if the index is having unique values −
print("\nIs the Pandas index having unique values?\n",index.is_unique)
Example
Following is the code −
import pandas as pd # Creating the index index = pd.Index([50, 40, 30, 20, 10]) # Display the index print("Pandas Index...\n",index) # Return an array representing the data in the Index print("\nArray...\n",index.values) # Check if the index is having unique values print("\nIs the Pandas index having unique values?\n",index.is_unique)
Output
This will produce the following code −
Pandas Index... Int64Index([50, 40, 30, 20, 10], dtype='int64') Array... [50 40 30 20 10] Is the Pandas index having unique values? True
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