import sys

class Research:

def __init__(self, file_name: str) -> None:

self.file_name = file_name

def check_struct(self, data: str) -> bool:

data = data.split('\n')

for i, value in enumerate(data):

value = value.strip().split(',')

if len(value) != 2:

raise ValueError('Bad Struct of file')

elif i > 0 and ('0' not in value or '1' not in value):

raise ValueError('Bad Struct of file')

def file_reader(self):

try:

with open(self.file_name, 'r') as file:

data = file.read()

self.check_struct(data)

return data

except (OSError, ValueError) as e:

print('Exception: ', e)

def main():

obj = Research(sys.argv[1])

data = obj.file_reader()

if data != None:

print(data)

if __name__ == '__main__':

if len(sys.argv) == 2:

main()