# int 向0取整 int(-0.5) # 0 int(0.5) # 0 # round四舍五入，向偶取整 round(0.5) # 0 round(0.9) # 1 round(1.5) # 2 import math # math.floor 向下取整 math.floor(0.9) # 0 math.floor(-0.9) # -1 # math.ceil 向上取整 math.ceil(0.5) # 1 math.ceil(-0.5) # 0
# int 向0取整 int(-0.5) # 0 int(0.5) # 0 # round四舍五入，向偶取整 round(0.5) # 0 round(0.9) # 1 round(1.5) # 2 import math # math.floor 向下取整 math.floor(0.9) # 0 math.floor(-0.9) # -1 # math.ceil 向上取整 math.ceil(0.5) # 1 math.ceil(-0.5) # 0
