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'''
【程序10】
题目：打印楼梯，同时在楼梯上方打印两个笑脸。
1.程序分析：用i控制行，j来控制列，j根据i的变化来控制输出黑方格的个数。
2.程序源代码：
import sys
sys.stdout.write(chr(1))
print ''
for i in range(1,11):
for j in range(1,i):
sys.stdout.write(chr(219))