26 lines
563 B
Python
26 lines
563 B
Python
'''
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【程序61】
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题目：打印出杨辉三角形（要求打印出10行如下图）
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1.程序分析：
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'''
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if __name__ == '__main__':
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a = []
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for i in range(10):
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a.append([])
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for j in range(10):
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a[i].append(0)
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for i in range(10):
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a[i][0] = 1
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a[i][i] = 1
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for i in range(2,10):
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for j in range(1,i):
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a[i][j] = a[i - 1][j-1] + a[i - 1][j]
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from sys import stdout
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for i in range(10):
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for j in range(i + 1):
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stdout.write(a[i][j])
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stdout.write(' ')
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print
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