# python で加減乗除 print(1+2+3+4) print(100-20) print(100*20) print(4/2) print(4/8) print(300/7) print(300//7) print(300%7) print(2**10) 10 80 2000 2.0 0.5 42.857142857142854 42 6 1024 # keywords registered import keyword keyword.kwlist […