[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Matt Wheeler wrote: > With deepest apologies to all involved... > > On Tue, 26 Sep 2017 at 08:42 Gregory Ewing <greg.ewing at canterbury.ac.nz> > wrote: > >> Ben Bacarisse wrote: >> > Think functional! This is 257 characters: >> >> 250 chars, 17 shorter than the text it produces: >> >> a=[];o=[];n=[];A=list.append >> for b in range(3,-1,-1): >> x=bool(b>>1);y=bool(b&1);A(a,"%s and %s is %s"%(x,y,x and y));A(o,"%s >> or >> %s is >> %s"%(x,y,x or y)) >> if x:A(n,"not %s is %s"%(y,not y)) >> print(" Boolean Operators\n"+"-"*24+"\n"+"\n".join(a+o+n)) >> > > Cutting the same (quite reasonable) corners as you, I've got it down 212 > characters: > > t,f,a,o,n='True','False','and','or','not' > l=[" Boolean Operators\n"+"-"*24] > for x in [(l,p,r)for p in(a,o)for l in(t,f)for r > in(t,f)]+[(n,t),(n,f)]:x=' '.join(x);l+=[x[0].upper()+x[1:]+" is > "+str(eval(x))] for i in 12,9,5,0:l.insert(i,'') > print('\n'.join(l)) > > Reproducing the original string exactly the best I've managed is 260: > > t,f,a,o,n='True','False','and','or','not' > l=[" Boolean Operators\n"+"-"*24] > for x in [(l,p,r)for p in(a,o)for l in(t,f)for r > in(t,f)]+[(n,t),(n,f)]:x=' '.join(x);l+=[x[0].upper()+x[1:]+" is > "+str(eval(x))] for i in 12,9,5,0:l.insert(i,'') > print('\n'.join(l)) > That's a bit long, don't you think, as it can be beaten even by plain old zipping: $ cat booltable2.py from codecs import*;print(decode(decode(b'eJzjUgABp/z8nNTEPAX/gtSixJL8omIuXRwArFyBK6SoNFUhMS9FAczILAbTCFG3xJxisDCYwQXh\nIitHF0fTADEpvwiL8UBBuGKwKISHrhYuim6yX34JmitAIqhGcgEAEnJWfA==\n',"base64"),"zip").decode())$ $ wc -c booltable2.py 210 booltable2.py $ python3 booltable2.py Boolean Operators ------------------------ True and True is True True and False is False False and True is False False and False is False True or True is True True or False is True False or True is True False or False is False Not True is False Not False is True $ :)

- Prev by Date:
**Printing a Chunk Of Words** - Next by Date:
**Even Older Man Yells At Whippersnappers** - Previous by thread:
**Printing a Chunk Of Words** - Next by thread:
**Printing a Chunk Of Words** - Index(es):