Programming Forums > Script Programming > Python

blake_jl · Nov 27th, 2007, 2:18 AM

I'm back with another simple question.

I won't dwell over this like I did the last one. I'd just like to know why the author of the book I've been reading says

(Toggle Plain Text)

printTwice(5)

Gives the result

5 5

He has a few different examples all to do with the printTwice call but when I try and do it, it says

(Toggle Plain Text)

Traceback (most recent call last):
  File "<interactive input>", line 1, in <module>
NameError: name 'printTwice' is not defined

Thanks.

ZenMasterJG · Nov 27th, 2007, 5:38 AM

Because, presumably, you haven't defined printTwice in that script / interactive session. My guess is you're reading a bit too fast and missed something like:

(Toggle Plain Text)

def printTwice(arg):
    print arg
    print arg

blake_jl · Nov 27th, 2007, 5:44 AM

Quote:

Originally Posted by ZenMasterJG

Because, presumably, you haven't defined printTwice in that script / interactive session. My guess is you're reading a bit too fast and missed something like:

(Toggle Plain Text)

def printTwice(arg):
    print arg
    print arg

Yes you are correct.

Thanks for that. Not sure how I missed it but I thought it was like "print" but just printed it twice instead of once.

Thanks again.

Nov 27th, 2007, 2:18 AM	#1
blake_jl Newbie Join Date: Nov 2007 Posts: 14 Rep Power: 0	Question Number 2 - printTwice I'm back with another simple question. I won't dwell over this like I did the last one. I'd just like to know why the author of the book I've been reading says (Toggle Plain Text) printTwice(5) printTwice(5) Gives the result 5 5 He has a few different examples all to do with the printTwice call but when I try and do it, it says (Toggle Plain Text) Traceback (most recent call last): File "<interactive input>", line 1, in <module> NameError: name 'printTwice' is not defined Traceback (most recent call last): File "<interactive input>", line 1, in <module> NameError: name 'printTwice' is not defined Thanks.

Nov 27th, 2007, 5:38 AM	#2
ZenMasterJG Hobbyist Programmer Join Date: Nov 2004 Location: Boston, MA Posts: 148 Rep Power: 5	Re: Question Number 2 - printTwice Because, presumably, you haven't defined printTwice in that script / interactive session. My guess is you're reading a bit too fast and missed something like: (Toggle Plain Text) def printTwice(arg): print arg print arg def printTwice(arg): print arg print arg

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Programming Forums > Script Programming > Python

Question Number 2 - printTwice