nfkc.py

import unicodedata


def collisions(char):
    char = unicodedata.normalize('NFKC', char)
    for i in range(0x110000):
        if unicodedata.normalize('NFKC', chr(i)) == char:
            yield chr(i)

if __name__ == '__main__':
    for char in collisions(input('Enter char: ')):
        try:
            print(char)
        except UnicodeEncodeError:
            print('-', ord(char))