25 lines
472 B
Python
25 lines
472 B
Python
#python 3
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def pascaltriangle(length):
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l = [1]
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yield l
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for i in range(length-1):
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nl = [1]
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for j in range(len(l)-1):
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nl.append(l[j]+l[j+1])
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nl.append(1)
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yield nl
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l = nl
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def prettyprint(l,w):
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s = " ".join(map(str,l))
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indent = int((w - len(s))/2)
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s = (indent * " ") + s
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print(s)
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length = int(input('Length of pascal triangle: '))
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for n in pascaltriangle(length):
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prettyprint(n,length*3)
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