在使用字典推导式时出现了问题
# 创建字典
data_dict = {}
for line in data:
year = int(line.split(",")[0])
country = line.split(",")[1]
gdp = float(line.split(",")[2])
try:
data_dict[year].append([country, gdp])
except Exception as e:
data_dict[year] = []
data_dict[year].append([country, gdp])
print(data_dict)
这一段代码要怎么写成字典推导式呢?