①        ②

图a

图b

图c

a = []

r = f.readline().strip( )  #从文件中读取一行，并把末尾的'\n'删掉

while r:      # 当r非空（从文件读取到了数据）

    r = f.readline( ).strip( ) f.close( )

    n = len(a[0])

    p = [0]*n**2

    for i in a:

        for j in range(n-1):

            x1 = ord(i[j])-65

            for k in range():

                x2 = ord(i[k])-65

                 b = [['',0]

for i in range(n)]

    for i in range(n):

        b[i][0] = chr(i+65)

        for j in range(n):

            b[i][1] += p[i*n+j] i=1

while i<n:

    x = b[i]

    j = i-1

    while:

        b[j+1] = b[j]

        j -= 1

    b[j+1] = x i += 1

for i in range(n):

    print('第',i+1,'受欢迎的菜为',b[i][0],',得票为',b[i][1],'票')