Re: [問題] import 問題
※ 引述《shihyuyao (Yao)》之銘言：
: import math
: from math import *
: 這兩個有什麼不同?
: 謝謝
>>> import math
>>> x = -5.5
>>> y = math.floor(x)
>>> y
-6.0
>>> z = math.fabs(y)
>>> z
6.0
===========================
>>> from math import *
>>> x = -5.5
>>> y = floor(x)
>>> y
-6.0
>>> z = fabs(y)
>>> z
6.0
===========================
>>> from math import floor
>>> x = -5.5
>>> y = floor(x)
>>> y
-6.0
>>> z = fabs(y)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'fabs' is not defined
>>> z = math.fabs(y)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'math' is not defined
--
"問おう、貴方が私のマスターか？"
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