chr startpos    endpos
1   14930   818094
1   818161  31595422
2   35593931    35865807
2   35868158    104785784

1   14900   818000

1   15000   605000

1   25000   705000

1   25000   605000

import pandas as pd
df = pd.read_csv('/tmp/samplefile.csv',sep='t')