#
# µû¶óÇÏ¸ç ¹è¿ì´Â ÆÄÀ̽ã°ú µ¥ÀÌÅÍ°úÇÐ(»ý´ÉÃâÆÇ»ç 2020)
# LAB 10-3 2Â÷¿ø ¹è¿ ¿¬½ÀÇϱâ, 263ÂÊ
#
import numpy as np
x = np.array( [['a', 'b', 'c', 'd'],
['c', 'c', 'g', 'h']])
mat_a = np.array( [[10, 20, 30], [10, 20, 30]])
mat_b = np.array( [[2, 2, 2], [1, 2, 3]])
print(x [ x == 'c' ])
print(mat_a - mat_b)