normalize utf-8 encoding of japanese

normalize_encode.py

# https://kamosawa.hatenablog.com/entry/20151015

repdict=dict()
for tap in [(c +'\u309a' , chr(ord(c)+2)) for c in u'はひふへほハヒフヘホ']:
    repdict.update({tap[0]:tap[1]})
for tap in [(chr(ord(c)) +'\u3099' , chr(ord(c)+1)) for c in u'かきくけこさしすせそたちつてとはひふへほカキクケコサシスセソタチツテトハヒフヘホ']:
    repdict.update({tap[0]:tap[1]})

def normalize_encode(contents):
    for key in repdict.keys():
        contents=contents.replace(key, repdict.get(key))
    return contents