split function

[Mohammed Altaj]

Dear All

What i want to do is , my input is like
0 2
0 3
0 4
1 2
1 4
2 3
3 4

I am comparing and put the number in group , like ,the first three lines
, all has zero as first input for each line, so the out put should look
like
0 2 3 4
and so on
1 2 4
2 3
3 4

I managed to do what i need , but i did in this case , there is no space
between numbers , like
02
03
04
12
14
23
34

so , how can i do this with spaces between numbers
 
This is my code


def belong_to(x,a):          
    c=-1
    for i in range(len(a)-1):
        if x==int(a[i]):
            c=i
    return c

def list_belong(x,a):             # This function to check if this line
    c=-1                                  # line has been searched
before or not
    for i in range(len(a)):
        if a[i]==x:
            c=1
            break
    return c

x=0
occur=[]

in_file=open('data.dat','r')
out_file=open('result.dat','w')
fileList = in_file.readlines()
for k in fileList:
    v=k
    occur.append(k)
    n=len(v)-1
    for i in range(n):
        temp=int(v[i])
        print temp,
        out_file.write(str(temp))
        for line in fileList:
            if v!=line:
                if list_belong(line,occur)!=1:
                    if belong_to(temp,line) != -1:
                        j=belong_to(temp,line)
                        for i in range(len(line)-1):
                            if i!=j:
                                print line[i],
                                out_file.write(line[i])
                               
                                
                              
    print
    out_file.write("\n")

out_file.close()
in_file.close()