federica3matrice

m = [ ['3', 'T', '7', None,'5', '1', '4',None],
      ['2', '2', '2', None,'0', 'T', '7',None],
      [None,None,None,None,'3', '2', '1',None],
      [None,None,None,None,None,None,'1',None],
      [None,None,None,None,None,None,'1','T']  ]


def media(m,i,j):
    somma = 0
    conta = 0

    lrighe = len(m)
    lcolonne = len(m[0])

    if i-1 >= 0 and j-1 >= 0:
        if m[i-1][j-1] is not None:
            somma += int(m[i-1][j-1])
            conta += 1

    if j-1 >= 0:
        if m[i][j-1] is not None:
            somma += int(m[i][j-1])
            conta += 1

    if i+1 < lrighe and j-1 >= 0:
        if m[i+1][j-1] is not None:
            somma += int(m[i+1][j-1])
            conta += 1

    if i-1 >= 0:
        if m[i-1][j] is not None:
            somma += int(m[i-1][j])
            conta += 1

    if i+1 < lrighe:
        if m[i+1][j] is not None:
            somma += int(m[i+1][j])
            conta += 1

    if i-1 >= 0 and j+1 < lcolonne:
        if m[i-1][j+1] is not None:
            somma += int(m[i-1][j+1])
            conta += 1

    if j+1 < lcolonne:
        if m[i][j+1] is not None:
            somma += int(m[i][j+1])
            conta += 1

    if i+1 < lrighe and j+1 < lcolonne:
        if m[i+1][j+1] is not None:
            somma += int(m[i+1][j+1])
            conta += 1

    return float(somma/conta)

def contasoglie(m,s):
    tavoli = []
    for i in range(len(m)):
        for j in range(len(m[i])):
            if m[i][j] == 'T':
                tavoli.append((i,j))

    print(tavoli)

    conta = 0
    for el in tavoli:
        avg = media(m,el[0],el[1])
        if avg > s:
            conta += 1

    print(conta)
    return conta


contasoglie(m,1)