Clean String Challenge

data = 'z342512b?333~h123>n<724BB400*a'
temp_str = ""
output = []

for char in data:
    if char.isnumeric():
        temp_str += char
        if len(temp_str) == 3:
            output.append(int(temp_str))
            temp_str = ""

output.sort()
print(output)