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Python | Numpy np.unique() method

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With the help of np.unique() method, we can get the unique values from an array given as parameter in np.unique() method.
Syntax : np.unique(Array) Return : Return the unique of an array.
Example #1 : In this example we can see that by using np.unique() method, we are able to get the unique values from an array by using this method.
# import numpy
import numpy as np
  
a = [1, 2, 2, 4, 3, 6, 4, 8]
  
# using np.unique() method
gfg = np.unique(a)
  
print(gfg)

                    
Output :
[1 2 3 4 6 8]
Example #2 :
# import numpy
import numpy as np
  
a = [[10.2, 21.4, 3.6, 14.8], [1.0, 5.0, 10.0, 15.0]]
  
# using np.unique() method
gfg = np.unique(a)
  
print(gfg)

                    
Output :
[1. 3.6 5. 10. 10.2 14.8 15. 21.4]

Last Updated : 21 Nov, 2019
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