insertって奴を使って配列に代入可能。
例1
12345 row_data = []for i in range(0,10)row_data.insert(i,i)print row_data
例2
b=[]
today=datetime.date.today()
for i in range(5):
b.insert(i,today+timedelta(days=i))
print(b)
[datetime.date(2015, 7, 21), datetime.date(2015, 7, 22), datet
23), datetime.date(2015, 7, 24), datetime.date(2015, 7, 25)]