Python输出前五行数据 python输出前n行信息

def demo(t):
    print([1])
    print([1, 1])
    line = [1, 1]
    for i in range(2, t):
        r = []
        for j in range(0, len(line) - 1):
            r.append(line[j] + line[j + 1])
        line = [1] + r + [1]
        print(line)

demo(10)

#输出结果
'''
[1]
[1, 1]
[1, 2, 1]
[1, 3, 3, 1]
[1, 4, 6, 4, 1]
[1, 5, 10, 10, 5, 1]
[1, 6, 15, 20, 15, 6, 1]
[1, 7, 21, 35, 35, 21, 7, 1]
[1, 8, 28, 56, 70, 56, 28, 8, 1]
[1, 9, 36, 84, 126, 126, 84, 36, 9, 1]
'''

 

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