I want to write python script in 3.4 or 3.6

I have one txt file with 4000 rows and 300 colums

looks like below :

ATCA1B 10 14 ATCA2B 5 550 440 BYBG2 1 70 400 700 901 1012 I want to put same id belows each other with only one numerical value with that id. for example ATCA1B takes 10 and also takes 14 so result will be as below: The result will display in only two columns with id and numerical value as below: ATCA1B 10 ATCA1B 14 ATCA2B 5 ATCA2B 550 ATCA2B 440 BYBG2 1 BYBG2 70 BYBG2 440 BYBG2 700 BYBG2 901 BYBG2 1012 I want to save result in new txt file