技术问答Python浜岀淮鏁扮粍鎺掑簭鐨勬柟娉曟湁鍝簺 - 扬州沐宇科技

Python涓浜岀淮鏁扮粍杩涜鎺掑簭鏈変袱绉嶆柟娉曪細

浣跨敤sorted鍑芥暟锛?/li>

# 瀹氫箟涓€涓簩缁存暟缁?/span>
arr = [[3, 2, 1], [6, 5, 4], [9, 8, 7]]

# 瀵逛簩缁存暟缁勬寜鐓х涓€鍒楄繘琛屽崌搴忔帓搴?/span>
sorted_arr = sorted(arr, key=lambda x: x[0])

# 杈撳嚭鎺掑簭鍚庣殑浜岀淮鏁扮粍
for row in sorted_arr:
    print(row)

浣跨敤NumPy搴擄細

import numpy as np

# 瀹氫箟涓€涓簩缁存暟缁?/span>
arr = np.array([[3, 2, 1], [6, 5, 4], [9, 8, 7]])

# 瀵逛簩缁存暟缁勬寜鐓х涓€鍒楄繘琛屽崌搴忔帓搴?/span>
sorted_arr = arr[arr[:,0].argsort()]

# 杈撳嚭鎺掑簭鍚庣殑浜岀淮鏁扮粍
for row in sorted_arr:
    print(row)

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