Matrixdagi qiymatning birinchi marta paydo bo'lishini topish uchun `np.where() ` dan quyidagicha foydalanishni tavsiya qilaman: ``` import numpy np arr = np.array (([1, 2, 3, 3, 5]) index = np.where(arr == 3) [0][0] ``` NumPy yadrosi optimallashtirilgan C-ni amalga oshirishga asoslanganligi sababli, `np.where) ` funksiyasi Python-da, ayniqsa elementlar soni ko'p bo'lganda, zanjir bilan amalga oshiriladigan `ndenumerate (() usulidan samaraliroqdir.
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