Circle letters from non-circled letters.

ⓒⓘⓡⓒⓛⓔⓁⓔⓣⓣⓔⓡⓢ⊙ⓟⓨ

# -*- coding: utf-8 -*-
import sys

norm = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-=*. "
trans = "ⒶⒷⒸⒹⒺⒻⒼⒽⒾⒿⓀⓁⓂⓃⓄⓅⓆⓇⓈⓉⓊⓋⓌⓍⓎⓏⓐⓑⓒⓓⓔⓕⓖⓗⓘⓙⓚⓛⓜⓝⓞⓟⓠⓡⓢⓣⓤⓥⓦⓧⓨⓩ⓪①②③④⑤⑥⑦⑧⑨⊝⊜⊛⊙○"

if len(sys.argv) < 2:
	print('Useage: circleLetters.py "string" [-b -n]. (Too few args given.)')
	sys.exit(1)
	
backupString = ''
if '-b' in sys.argv[2:]:
	backupString = '⃝'
	
for char in sys.argv[1]:
	index = norm.find(char)
	if index >= 0:
		print(end=trans[index])
	else:
		print(end=char + backupString)

if not '-n' in sys.argv[2:]:
	print()