Convert string to int

[menator01]

tab = '5;6;9;7'.split(';')
tab = list(map(int, tab))

somme = 0
total = 0

for number in tab:
    total += number
print(f'Sum of tab list is: {total}')

for number in tab:
    print((somme + number)/total)

Output:
Sum of tab list is: 27
0.18518518518518517
0.2222222222222222
0.3333333333333333
0.25925925925925924