use 'switch' instead of 'if-else if-else'
use 'switch' instead of 'if-else if-else'

bioinformatics-centre/AsmVar,bioinformatics-centre/AsmVar,bioinformatics-centre/AsmVar,ShujiaHuang/AsmVar,bioinformatics-centre/AsmVar,ShujiaHuang/AsmVar,ShujiaHuang/AsmVar,ShujiaHuang/AsmVar,ShujiaHuang/AsmVar,bioinformatics-centre/AsmVar,ShujiaHuang/AsmVar,bioinformatics-centre/AsmVar