有错误代码，只是借鉴以下编程思想

我编了个小程序 读取文件数据，运行时总提示IndexError: list index out of range ，我仔细检查了，索引并没有越界啊，还有其他原因导致这个错误吗 代码太长了 贴出部分代码 希望大家帮忙看看 感激不尽    

Python code?

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    file1=open('%s' % mgt)    #从mgt文件中读取信息

    global line1

    line1=[]

    global line1num

    line1num=0

    for eachline in file1.readlines():

        line1.append(eachline)

        line1num+=1      

    global components

    components=[]

    global compnum

    compnum=0

    i=0

    cps=0

    cpo=0

    while i<line1num:

        if line1[i]=='*MEMBER    ; Member'+'\n':

            cps=i+1

            break

        i+=1

    cpt=cps

    if cpt!=0:

        while cpt<line1num:

            if line1[cpt]=='\n':

                cpo=cpt

                break

            cpt+=1

    j=0

    while cps<cpo:

        line1[cps]=line1[cps].strip()

        r=re.compile(',')

        comdata=[]

        comdata=r.split(line1[cps])

        components.append([])

        i=0

        while i<len(comdata):

            components[j].append(comdata[i])

            i+=1

        j+=1

        compnum+=1

        cps+=1

    for each in components:

        each.pop(1)

    file7=open('%s' % rcs1)    #从rcs文件中读取信息

    #此时line2不是全局变量

    line2=[]

    line2num=0

    for eachline in file7.readlines():

        line2.append(eachline)

        line2num+=1

    file7.close()

    combeamnum=0 

    line3=[] 

    line3num=0  

    line5=[]  

    line6=[]  

    line7=[] 

    line8=[] 

    i=0

    while i<line2num:

        if line2[i].count('kN, m')!=0:

            cb=i+1

            break

        i+=1    

    ct=cb     

    if ct!=0:

        while ct<line2num:

            if line2[ct].count('=')==3:

                line3.append(line2[ct])

                line3num+=1

            if line2[ct].count('=')==2:

                line3.append(line2[ct])

                line3num+=1

            if line2[ct].count('@')!=0:

                line3.append(line2[ct])

                line3num+=1    

            ct+=1    

    i=0

    while i<line3num:

        line3[i]=line3[i].strip()

        line3[i+1]=line3[i+1].strip()

        line3[i+2]=line3[i+2].strip()

        line3[i+3]=line3[i+3].strip()

        line3[i+4]=line3[i+4].strip()

        line3[i+5]=line3[i+5].strip()

        r=re.compile(' *')    #利用正则表达式，' *'对应' ','  ','   ','    '这一类

        line4data=[]

        line4data1=[]

        line4data2=[]

        line4data3=[]

        line4data4=[]

        line4data5=[]

        line4data=r.split(line3[i])

        line4data1=r.split(line3[i+1])

        line4data2=r.split(line3[i+2])

        line4data3=r.split(line3[i+3])

        line4data4=r.split(line3[i+4])

        line4data5=r.split(line3[i+5])

        line4data[2]=line4data[2].strip()

        line4data[2]=line4data[2].rstrip(',')

        line4data[5]=line4data[5].strip()

        line5.append([int(line4data[2])])

        line5[i].append(int(line4data[5]))

        line4data1[2]=line4data1[2].strip()

        line4data1[2]=line4data1[2].rstrip(',')

        line4data1[5]=line4data1[5].strip()

        line5.append([float(line4data1[2])])

        line5[i+1].append(float(line4data1[5]))

        line4data2[5]=line4data2[5].strip()

        line4data2[5]=line4data2[5].rstrip(',')

        line4data2[5]='HRB'+str(int(line4data2[5])/1000)

        line5.append([line4data2[5]])

        line4data3[5]=line4data3[5].strip()

        line4data3[6]=line4data3[6].strip()

        line4data3[6]=line4data3[6].split('-')

        line4data3[6][1]=line4data3[6][1].lstrip('d')

        line4data3[10]=line4data3[10].strip()

        line4data3[11]=line4data3[11].strip()

        line4data3[11]=line4data3[11].split('-')

        line4data3[11][1]=line4data3[11][1].lstrip('d')

        line5.append([float(line4data3[5])])

        line5[i+3].append(int(line4data3[6][0]))

        line5[i+3].append(int(line4data3[6][1]))

        line5[i+3].append(float(line4data3[10]))

        line5[i+3].append(int(line4data3[11][0]))

        line5[i+3].append(int(line4data3[11][1]))

        line4data4[5]=line4data4[5].strip()

        line4data4[6]=line4data4[6].strip()

        line4data4[6]=line4data4[6].split('-')

        line4data4[6][1]=line4data4[6][1].lstrip('d')

        line4data4[10]=line4data4[10].strip()

        line4data4[11]=line4data4[11].strip()

        line4data4[11]=line4data4[11].split('-')

        line4data4[11][1]=line4data4[11][1].lstrip('d')

        line5.append([float(line4data4[5])])

        line5[i+4].append(int(line4data4[6][0]))

        line5[i+4].append(int(line4data4[6][1]))

        line5[i+4].append(float(line4data4[10]))

        line5[i+4].append(int(line4data4[11][0]))

        line5[i+4].append(int(line4data4[11][1]))

        line4data5[5]=line4data5[5].strip()

        line4data5[6]=line4data5[6].strip()

        line4data5[6]=line4data5[6].split('-')

        line4data5[6][1]=line4data5[6][1].lstrip('d')

        line4data5[10]=line4data5[10].strip()

        line4data5[11]=line4data5[11].strip()

        line4data5[11]=line4data5[11].split('-')

        line4data5[11][1]=line4data5[11][1].lstrip('d')

        line5.append([float(line4data5[5])])

        line5[i+5].append(int(line4data5[6][0]))

        line5[i+5].append(int(line4data5[6][1]))

        line5[i+5].append(float(line4data5[10]))

        line5[i+5].append(int(line4data5[11][0]))

        line5[i+5].append(int(line4data5[11][1]))

        i+=6

    i=0

    j=0

    while j<len(line5):

        line6.append([])

        line6[i]=line5[j]+line5[j+1]+line5[j+2]+line5[j+3]    

        line7.append([])

        line7[i]=line5[j]+line5[j+1]+line5[j+2]+line5[j+4]

        line8.append([])

        line8[i]=line5[j]+line5[j+1]+line5[j+2]+line5[j+5]

        combeamnum+=1

        i+=1

        j+=6

        j=0

    print line6

    print len(line6)

    print combeamnum    

    print components

    print len(components)

    print compnum

    while j<combeamnum:

        if section[int(line6[j][1])-1][1]=='SB':   

            B=float(line6[j][2])                    

            H=float(line6[j][3])

            if B==0.1:

                B=0.1001

            if H==0.1:

                H=0.1001

            k=0 

            while k<compnum:

                if int(components[k][0])==int(line6[j][0]):    #根据单元来对应截面，然后求得等效截面

                    if len(components[k])==1:    #梁没有被分割

                        if int(line6[j][5])+int(line6[j][8])<int(line8[j][5])+int(line8[j][8]):

....下面还很长 不贴出来了 运行后 结果是

[[1, 1, 0.25, 0.5998, 'HRB335', 0.000297, 2, 20, 0.00029997, 2, 20], [2, 1, 0.25, 0.598, 'HRB335', 0.000501, 2, 20, 0.0002997, 2, 20], [3, 1, 0.25, 0.5998, 'HRB335', 0.0005001, 2, 20, 0.00029997, 2, 20], [4, 1, 0.25, 0.5998, 'HRB335', 0.0005001, 2, 20, 0.0002997, 2, 20], [5, 1, 0.25, 0.5998, 'HRB335', 0.00050001, 2, 20, 0.00040002, 2, 20], [6, 1, 0.25, 0.5998, 'HRB335', 0.0002997, 2, 20, 0.0002997, 2, 20], [7, 1, 0.25, 0.5998, 'HRB335', 0.000297, 2, 20, 0.0002997, 2, 20], [8, 1, 0.25, 0.59998, 'HRB335', 0.00998, 3, 20, 0.00029997, 2, 20]]

8

8

[['1', ' 571', ' 572'], ['2', ' 603', ' 604'], ['3', ' 635', ' 636'], ['4', ' 673', ' 674'], ['5', ' 559', ' 560'], ['6', ' 201'], ['7', ' 213'], ['8', ' 661', ' 662'], ['9', ' 544', ' 546'], ['10', ' 227'], ['11', ' 239'], ['12', ' 648', ' 650'], ['13', ' 543', ' 545'], ['14', ' 583', ' 584'], ['15', ' 615', ' 616'], ['16', ' 647', ' 649'], ['17', ' 570', ' 569'], ['18', ' 558', ' 557'], ['19', ' 542', ' 541'], ['20', ' 574', ' 573'], ['21'], ['22', ' 548', ' 547']]

22

22

Exception in Tkinter callback

Traceback (most recent call last):

  File "D:\Program Files\Python25\lib\lib-tk\Tkinter.py", line 1403, in __call__

    return self.func(*args)

  File "C:/Users/caizhen/Desktop/M2A0404调试.py", line 9970, in r5progress

    compbeamsecbar()

  File "C:/Users/caizhen/Desktop/M2A0404调试.py", line 1869, in compbeamsecbar

    if int(components[k][0])==int(line6[j][0]):    #根据单元来对应截面，然后求得等效截面