문자열의 최대 길이의 메모 문자열을 찾습니다.

def my_function(s):
    Str=''
    for i in range(len(s)):
        Str=Str+' '+s[i]
    Str=Str+' '                #            ‘ ’，                   ，         
    cover=0
    cover_center=0
    center=[(Str[0],0)]
    length=0
    length_max=1
    length_max_=[]
    for i in range(1,len(Str)):
        if cover != len(Str)-1:
            if ilength_max:
                        length_max_=[]
                    if length>=length_max:
                        length_max_.append(i)
                        length_max=length
                    length=0
            else:
                for j in range(min(i,len(Str)-i-1)):
                    if Str[i-j-1] == Str[i+j+1]:
                        length+=1
                    else:
                        break
                center.append((Str[i],length))
                cover=i+length
                cover_center=i
                if length>length_max:
                    length_max_=[]
                if length>=length_max:
                    length_max_.append(i)
                    length_max=length
                length=0
    S=[]
    if length_max%2 == 0:
        for i in length_max_:
            S.append(s[i//2-length_max//2:i//2+length_max//2])
    else:
        for i in length_max_:
            S.append(s[i//2-length_max//2:i//2+length_max//2+1])          
    return length_max,S
    
if __name__=='__main__':
    length_max,S=my_function('abc')
    print('length_max:',length_max)
    for i in S:
        print(i）

length_max: 1
a
b
c