import re
data = [['company1', '<U+042E><U+043F><U+0438><U+0442><U+0435><U+0440>'], ['company2',
'<c1>lom<e9>kszer Kft.'], ['company3', 'Ernst and young'],
['company4', '<c5>bo Akademi']]
for index in range(len(data)):
data[index][1] = re.sub(
r'<(?:U\+)?((?<=\+)[0-9a-fA-F]{4}|(?<=<)[0-9a-fA-F]{2})>',
lambda x: chr(int(x.group(1), 16)),
data[index][1])
print(data)
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