The default behaviour for division has changed between Python 2 and Python 3. In Python 3, dividing an integer by an integer returns a float. e.g.

a = 10 b = 3 result = a * b print(result) # 30 べき乗 (**) result = 2 ** 3 # 2の3乗 print(result) # 8 result = 5 ** 2 # 5の2乗 print(result) # 25 摂氏30度 ...