python中每个组的最大值的填充

data = [1, 2, 3, 4, 5, 2, 3, 1, 6, 4, 5]
groups = {}
for i, num in enumerate(data):
    if num not in groups:
        groups[num] = []
    groups[num].append(i)

{1: [0, 7], 2: [1, 5], 3: [2, 6], 4: [3, 9], 5: [4, 10], 6: [8]}

for group in groups.values():
    max_value = max([data[i] for i in group])
    for i in group:
        data[i] = max_value

data = [1, 2, 3, 4, 5, 2, 3, 1, 6, 4, 5]
groups = {}
for i, num in enumerate(data):
    if num not in groups:
        groups[num] = []
    groups[num].append(i)

for group in groups.values():
    max_value = max([data[i] for i in group])
    for i in group:
        data[i] = max_value

print(data)

[6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6]