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Date: Thu, 24 Jan 2013 11:37:55 +0100
Subject: using split for a string : error
From: inshu chauhan <insideshoes@gmail.com>
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Xref: csiph.com comp.lang.python:37553

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Here I have a code which basically reads a csv file, tries to compare the
last 2 items in each line of the file.

f = open(r"Z:\modules\Feature_Vectors_300_Pclass.arff")
for l in f:
    sp = l.split(",")
    if len(sp) != 11:
        print >> of, l,

    else:
        #print sp[9], sp[10]
        if sp[9] == sp[10]:
            print " Same class"
        else :
            print "Different class"

f.close()

For me I think the programme is logically correct, but its giving me
results which are strange.
It is  Printing " Different Class"  even when sp[9] is equal to sp[10] and
"Same class" when sp[9] is not equal to sp[10].  and sp[9] and sp[10] are
simple integers like 3, 3, 4 ,4.

I have a little understanding why the programme is behaving like this ?

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<div dir=3D"ltr"><div><div><div>Here I have a code which basically reads a =
csv file, tries to compare the last 2 items in each line of the file. <br><=
br>f =3D open(r&quot;Z:\modules\Feature_Vectors_300_Pclass.arff&quot;)<br>f=
or l in f:<br>
=A0=A0=A0 sp =3D l.split(&quot;,&quot;)<br>=A0=A0=A0 if len(sp) !=3D 11:<br=
>=A0=A0=A0=A0=A0=A0=A0 print &gt;&gt; of, l,<br>=A0=A0=A0=A0=A0=A0=A0 <br>=
=A0=A0=A0 else:<br>=A0=A0=A0=A0=A0=A0=A0 #print sp[9], sp[10]<br>=A0=A0=A0=
=A0=A0=A0=A0 if sp[9] =3D=3D sp[10]:<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 p=
rint &quot; Same class&quot; <br>
=A0=A0=A0=A0=A0=A0=A0 else :<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 print &qu=
ot;Different class&quot;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 <br>f.close()<br=
><br></div>For me I think the programme is logically correct, but its givin=
g me results which are strange. <br></div>It is=A0 Printing &quot; Differen=
t Class&quot;=A0 even when sp[9] is equal to sp[10] and &quot;Same class&qu=
ot; when sp[9] is not equal to sp[10].=A0 and sp[9] and sp[10] are simple i=
ntegers like 3, 3, 4 ,4. <br>
<br></div>I have a little understanding why the programme is behaving like =
this ?<br></div>

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