You can use the unique() function to get the unique elements of an array. You may have noticed that 'b' appeared first in the input but 'a' appeared first in the output. That's because unique() ...

Sets are a unique kind of Data structures in Python. They have a property that they allow only one occurrence of each element and thus are a sequential memory location of only unique values. Thus, ...

NumPy works best for machine-native numerical types (int s, float s) rather than Python-native types (complex numbers, the Decimal type). How NumPy speeds array math in Python ...