你可以做:
def truncate(f, n):
return math.floor(f * 10 ** n) / 10 ** n
测试:
>>> f=1.923328437452
>>> [truncate(f, n) for n in range(7)]
[1.0, 1.9, 1.92, 1.923, 1.9233, 1.92332, 1.923328]
Python设置小数位范围不四舍五入?
你可以做:
def truncate(f, n):
return math.floor(f * 10 ** n) / 10 ** n
测试:
>>> f=1.923328437452
>>> [truncate(f, n) for n in range(7)]
[1.0, 1.9, 1.92, 1.923, 1.9233, 1.92332, 1.923328]