following script will use to create any kind of file, with user input as extension
import sys
def create():
print("creating new file")
name=raw_input ("enter the name of file:")
extension=raw_input ("enter extension of file:")
try:
name=name+"."+extension
file=open(name,'a')
file.close()
except:
print("error occured")
sys.exit(0)
create()