List comprehensions: Difference between revisions
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List comprehension: |
List comprehension: |
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<python>[(x,y,z) for x in xrange(1,n+1) for y in xrange(x,n+1) for z in xrange(y,n+1) if x**2 + y**2 == z**2]</ |
<lang python>[(x,y,z) for x in xrange(1,n+1) for y in xrange(x,n+1) for z in xrange(y,n+1) if x**2 + y**2 == z**2]</lang> |
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Generator comprehension (note the outer round brackets): |
Generator comprehension (note the outer round brackets): |
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<python>((x,y,z) for x in xrange(1,n+1) for y in xrange(x,n+1) for z in xrange(y,n+1) if x**2 + y**2 == z**2)</ |
<lang python>((x,y,z) for x in xrange(1,n+1) for y in xrange(x,n+1) for z in xrange(y,n+1) if x**2 + y**2 == z**2)</lang> |
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Generator function: |
Generator function: |
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<python>def gentriples(n): |
<lang python>def gentriples(n): |
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for x in xrange(1,n+1): |
for x in xrange(1,n+1): |
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for y in xrange(x,n+1): |
for y in xrange(x,n+1): |
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for z in xrange(y,n+1): |
for z in xrange(y,n+1): |
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if x**2 + y**2 == z**2: |
if x**2 + y**2 == z**2: |
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yield (x,y,z)</ |
yield (x,y,z)</lang> |
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