<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def listDatawraps() : 	"""Lists all the datawraps pyGeno comes with"""

	l = {"Genomes" : [], "SNPs" : []}
	for f in os.listdir(os.path.join(this_dir, "bootstrap_data/genomes")) :
		if f.find(".tar.gz") > -1 :
			l["Genomes"].append(f)
	
	for f in os.listdir(os.path.join(this_dir, "bootstrap_data/SNPs")) :
		if f.find(".tar.gz") > -1 :
			l["SNPs"].append(f)

	return l