擅长:python、mysql、java
<p>试试这个:</p>
<pre><code>def main():
print("Num of rows:")
row = int(input())
print("Num of Cols:")
columns = int(input())
print("Out:\n")
for i in range(row): # iterate in rows
print('x'*columns) # print 'x' columns times
if __name__ == '__main__':
main()
</code></pre>