Ara2

d = [
  ['Егор', '1', 'Вася', '0'],
  ['Петя', '4', 'Вася', '5'],
  ['Егор', '2', 'Петя', '2']
    ]
a={}

for i in range(len(d)):
    for j in range(len(d[i])):
        if not d[i][j].isdigit():
            a[d[i][j]] = a.get(d[i][j], 0) + 1
print(a)