UnicodeDecodeError: 'utf-8' codec can't decode byte 0xa0 code example

Example 1: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe7 in position 5: invalid continuation byte

pd.read_csv('ml-100k/u.item', sep='|', names=m_cols , encoding='latin-1')

Example 2: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb0 in position 1968: invalid start byte

pd.read_csv("C:/Users/Admin/Desktop/Python/Past.csv",encoding='cp1252')