技术问答python浜岀淮鏁扮粍鎬庝箞鎸夊垪鎺掑簭 - 扬州沐宇科技

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# 浜岀淮鏁扮粍
matrix = [[5, 2, 3],
          [1, 7, 6],
          [4, 8, 9]]

# 瀹氫箟鎸夊垪鎺掑簭鐨勫嚱鏁?/span>
def sort_by_column(arr, column):
    return sorted(arr, key=lambda x: x[column])

# 鎸夌涓€鍒楁帓搴?/span>
sorted_matrix = sort_by_column(matrix, 0)
print(sorted_matrix)

# 杈撳嚭缁撴灉锛歔[1, 7, 6], [4, 8, 9], [5, 2, 3]]

鍦ㄤ笂闈㈢殑浠ｇ爜涓紝鎴戜滑瀹氫箟浜嗕竴涓猻ort_by_column鍑芥暟锛屽畠鎺ュ彈涓€涓簩缁存暟缁勫拰涓€涓垪绱㈠紩浣滀负鍙傛暟锛岀劧鍚庝娇鐢╯orted鍑芥暟瀵逛簩缁存暟缁勮繘琛屾帓搴忋€俵ambda鍑芥暟鐢ㄤ簬鎸囧畾鎺掑簭鐨刱ey锛屽嵆鎸夌収姣忎釜瀛愭暟缁勭殑鎸囧畾鍒楄繘琛屾帓搴忋€傛渶鍚庯紝鎴戜滑璋冪敤sort_by_column鍑芥暟锛屼紶鍏ヤ簩缁存暟缁勫拰鍒楃储寮?锛屽嵆鎸夌涓€鍒楄繘琛屾帓搴忋€?/p>