7/7 下列哪种函数定义不合法? A: def func(x=1): B: def _func(x): C: def 7func(x=2): D: def _func(x, y=3):
7/7 下列哪种函数定义不合法? A: def func(x=1): B: def _func(x): C: def 7func(x=2): D: def _func(x, y=3):
以下参数传递正确的是: A: def score(mid_score, end_score): ……score(88, 79) B: def score( *,mid_score, end_score, mid_rate=0.4): ……score(88, 79) C: def score( *,mid_score, end_score, mid_rate=0.4): ……score(end_score = 79, mid_score = 88) D: def score( *,mid_score, end_score, mid_rate=0.4): ……score(mid_score = 88, end_score = 79,0.5)
以下参数传递正确的是: A: def score(mid_score, end_score): ……score(88, 79) B: def score( *,mid_score, end_score, mid_rate=0.4): ……score(88, 79) C: def score( *,mid_score, end_score, mid_rate=0.4): ……score(end_score = 79, mid_score = 88) D: def score( *,mid_score, end_score, mid_rate=0.4): ……score(mid_score = 88, end_score = 79,0.5)
以下程序的输出结果是:list = ["1","3" ,"5"]def app(x):list. append(x)app( "7" )print( list)} A: ['1','3','5'] B: ['1','3','5','7'] C: ['7'] D: "1,3,5,7"
以下程序的输出结果是:list = ["1","3" ,"5"]def app(x):list. append(x)app( "7" )print( list)} A: ['1','3','5'] B: ['1','3','5','7'] C: ['7'] D: "1,3,5,7"
f(x)在[0,1]上有连续的二阶导数,f(0)=f(1)=0,任意x属于[0,...715af2ac3f81f8.png"]
f(x)在[0,1]上有连续的二阶导数,f(0)=f(1)=0,任意x属于[0,...715af2ac3f81f8.png"]
关于以下程序的正确说法是哪一项?def f(x): a = 7 print(a + x)a = 5f(3)print(a)
关于以下程序的正确说法是哪一项?def f(x): a = 7 print(a + x)a = 5f(3)print(a)
下列函数定义中错误的是( )。 A: def func(a,b): B: def func(a,b=3): C: def func(a,*b): D: def func(*a,b):
下列函数定义中错误的是( )。 A: def func(a,b): B: def func(a,b=3): C: def func(a,*b): D: def func(*a,b):
background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg
background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg
7、反馈式正弦波振荡器的起振条件为( ) A: A、|AF|=1φA+φF= 2nπ B: B、|AF|>1φA+φF= 2nπ C: C、|AF|>1φA+φF≠2nπ D: D、|AF| =1φA+φF≠2nπ
7、反馈式正弦波振荡器的起振条件为( ) A: A、|AF|=1φA+φF= 2nπ B: B、|AF|>1φA+φF= 2nπ C: C、|AF|>1φA+φF≠2nπ D: D、|AF| =1φA+φF≠2nπ
如下函数的返回值是___________def test(): temp=[1,2,3,4,5,6,7,8,9,10] return [x for x in temp if x%3==2] A: [2, 5, 8] B: [1, 3, 6] C: [3, 6, 9] D: [1, 4, 7]
如下函数的返回值是___________def test(): temp=[1,2,3,4,5,6,7,8,9,10] return [x for x in temp if x%3==2] A: [2, 5, 8] B: [1, 3, 6] C: [3, 6, 9] D: [1, 4, 7]
png的最优值是() A: -2 B: -6 C: -45/4 D: -7
png的最优值是() A: -2 B: -6 C: -45/4 D: -7