def clashing():
 ns = {}
 exec_('from sympy import *', ns)
 clash1 = {}
 clash2 = {}
 while ns:
  (k, _) = ns.popitem()
  if (k in _greek):
   clash2[k] = Symbol(k)
   _greek.remove(k)
  elif (k in _latin):
   clash1[k] = Symbol(k)
   _latin.remove(k)
 clash = {}
 clash.update(clash1)
 clash.update(clash2)
 return (clash1, clash2, clash)

def clashing ( ) : ns = { } exec_ ( 'from sympy import *' , ns ) clash1 = { } clash2 = { } while ns : ( k , _ ) = ns . popitem ( ) if ( k in _greek ) : clash2 [ k ] = Symbol ( k ) _greek . remove ( k ) elif ( k in _latin ) : clash1 [ k ] = Symbol ( k ) _latin . remove ( k ) clash = { } clash . update ( clash1 ) clash . update ( clash2 ) return ( clash1 , clash2 , clash )
return the clashing-symbols dictionaries .