daxia07

afile = open('A_TradingDate.txt', 'r+')
result = list()
try:
    for line in open('A_TradingDate.txt', 'r+'):
        line = afile.readline()
        result.append(line)
except IOError:
    print IOError.arg[0], IOError.arg[1]
finally:
    print result