

# 解析租期,使用datetime和split将时间拆分为横轴坐标
df['开始日期'] = pd.to_datetime(df['租期'].str.split('-').str[0])
df['结束日期'] = pd.to_datetime(df['租期'].str.split('-').str[1])

for i, row in df.iterrows():
start = row['开始日期']
end = row['结束日期']
duration = (end - start).days
tenant_list = [x.strip() for x in row['租客'].split(',')]

for idx, tenant in enumerate(tenants):
for _, row in df.iterrows():
tenant_list = [x.strip() for x in row['租客'].split(',')]
if tenant in tenant_list:
start = row['开始日期']
end = row['结束日期']


