Finding the indexes of a string array in Numpy Python

Question

What would be a numpy function that goes through array a and then output the indexes where values of array b is allocated.

Code:

a = np.array(["BTCUSD", "ETHUSDC", "BBB", "ETHUSD", "cow"])
b=  np.array(["BTCUSD", "ETHUSD"])

Expected output:

Indexes: 0, 3

Answer 1

phraseIndex = np.where(a == phrase)

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