Classify the variation types annotated by snpeff into genomic regions
step1: less snpeff.vcf |awk -F"\t|\\|" '{printf ("%s\t%s\t%s\t%s\n", $1,$2,$3,$9)}' > input.file
step2: python anno_region.py input.file > out.file
run command： python anno_class_vep.py vcf.file > out.file