擅长:python、mysql、java
<pre><code>import random
COLS, ROWS = 5, 5
Matrix = [[0 for x in range(COLS)] for y in range(ROWS)]
set_col = 0
for row in Matrix:
row[set_col] = random.randint(1,2)
columnKeys = random.sample(range(1,5), 4)
Matrix[0] = [0] + columnKeys
for row in Matrix:
print(row)
</code></pre>
<p><strong>输出</strong></p>
^{pr2}$