On Tuesday 25 July 2006 05:52, Eric Bishop wrote: > Why does this work: > > # start > a = 5 > > print a, 'is the number' > > #end, prints out "5 is the number" > > But not this: > > # start > > a = 5 > > print a 'is the number' > > #end, errors out > > The difference here is the comma seperating the variable and the string > literal. Is the comma some sort of concatenation operator or is the comma > necessary in some form of a requirement in the print function, i.e is the > variable a an argument to print as well as 'is th number' another argument > to print?
Yes. It allows to concat several variables, and also adds a space. These do work as well: a = 5 print "value is", a print "value %s" %(a) print "value is", a, '...' Regards, Rob -- http://mail.python.org/mailman/listinfo/python-list