class data_array:
    def __init__(self):
    # initiates empty lists for each attribute
        self.number = []
        self.code = []
        self.connected = []
        self.reading = [] 
        self.location = []
        self.info_one = []
        self.info_two = []

sensor = [None] * 16

for ind in range(0, 16,1):
#  initiate the attributes
    sensor[ind] = data_array()
for ind in range(0,16,1):
# for loop to simulate reading data from a file
    sensor[ind].number = ind +1
    sensor[ind].code = "code" + str(ind +1)
    sensor[ind].connected =  False
    sensor[ind].reading = 201 + ind
    sensor[ind].location = "  where I found " + str(ind+1)
    sensor[ind].info_one = "  infor_one for sensor " + str(ind+1)
    sensor[ind].info_two = "  infor_two for sensor " + str(ind+1)

for ind in range(0,16,1):
# check data is accessable as intended
    print(sensor[ind].number, sensor[ind].code, 
    sensor[ind].connected, sensor[ind].reading, sensor[ind].location,
    sensor[ind].info_one, sensor[ind].info_two)