Python語言基礎(chǔ)測試試題附答案

Python語言基礎(chǔ)測試試題及答案1.python中查看對象的屬性或方法，返回對象的屬性和方法列表的函數(shù)為：A.help()B.dir()(正確答案)C.info()D.check()2.python中哪種標識符代表類的私有成員：A.__foo__B._fooC.__foo(正確答案)D.foo__3.python中代碼跨行時需要在行尾加上哪個符號A.\(正確答案)B./C.|D.-4.fromcopyimportcopy

a=[1,2,3]

b=copy(a)

aisb

輸出結(jié)果為:A.NoneB.TrueC.False(正確答案)D.報錯5.fromcopyimportcopy

a=[1,2,3]

b=copy(a)

b==a

輸出結(jié)果為:A.NoneB.True(正確答案)C.FalseD.報錯6.fromcopyimportdeepcopy

a=[1,2,3]

b=deepcopy(a)

aisb

輸出結(jié)果為:A.NoneB.TrueC.False(正確答案)D.報錯7.print(type(16/4))的結(jié)果為A.intB.float(正確答案)C.strD.bool8.a='python'

a[0]='c'

print(a)

輸出結(jié)果為:A.cythonB.pcthonC.cD.報錯(正確答案)9.python中哪個轉(zhuǎn)義字符代表換行A.\n(正確答案)B.\bC.\tD.\r10.fromdatetimeimportdatetime

a='20190520'

將a轉(zhuǎn)變?yōu)閐atetime對象的語句正確的是A.datetime.strptime(a,'%Y%m%d')(正確答案)B.datetime.strptime(a,'%y%m%d')C.datetime.strptime(a,'&y&m&d')D.datetime.strptime(a,'$Y$m$d')11.a=[2,3,1]

a.sort()

輸出結(jié)果為:A.[1,2,3]B.[3,2,1]C.無輸出結(jié)果(正確答案)D.None12.n1=[1,2,3]

n2=list('python')

n1+n2

輸出結(jié)果為:A.[1,2,3,'p','y','t','h','o','n'](正確答案)B.[1,2,3,'python']C.['1p','2y','3t','h','o','n']D.報錯13.(1,2,3).append(4)

輸出結(jié)果為:A.(1,2,3,4)B.(1,2,3)C.(4,1,2,3)D.報錯(正確答案)14.d={'Name':'Li','Age':23}

'Name'ind

輸出結(jié)果為:A.True(正確答案)B.FalseC.NoneD.'Li'15.d={'Name':'Li','Age':23}

23ind

輸出結(jié)果為:A.TrueB.False(正確答案)C.NoneD.'Age'16.set('121323')

輸出結(jié)果為:A.('1','2','1','3','2','3')B.('121323')C.('1','2','3')(正確答案)D.報錯17.[x1+x2forx1,x2inzip([1,2],[3,4])]

輸出結(jié)果為:A.[4,6](正確答案)B.[3,7]C.[1,2,3,4]D.報錯18.ifNone:

print('Hello')

輸出結(jié)果為:A.NoneB.'Hello'C.無任何輸出(正確答案)D.報錯19.在if...elif...else的多個語句塊中只會執(zhí)行一個語句塊？A.正確(正確答案)B.錯誤C.根據(jù)條件決定D.python中無elif語句20.Python中，for和while可以有else語句？A.只有for有else語句B.只有while有else語句C.for,while都有else語句(正確答案)D.for,while都沒有else語句21.i=sum=0

whilei<=4:

sum+=i

i=i+1

print(sum)

輸出結(jié)果為:A.0B.10(正確答案)C.4D.以上結(jié)果均不正確22.以下哪個描述是正確的？A.break語句用于終止當前循環(huán)。B.continue語句用于跳過當前剩余要執(zhí)行的代碼，執(zhí)行下一次循環(huán)。C.break和continue語句通常與if,if...else和if...elif...else語句一起使用。D.以上說法都是正確的。(正確答案)23.

forcharin'PYTHONSTRING':

ifchar=='':

break

print(char,end='')

ifchar=='O':

continue

輸出結(jié)果為:A.PYTHONSTRINGB.PYTHONSTRINGC.PYTHOD.PYTHON(正確答案)24.以下關(guān)于pass哪個描述是正確的？A.Python會忽略pass語句，就像忽略注釋一樣。。B.pass語句會終止當前循環(huán)。C.pass不做任何事情，一般用做占位語句。(正確答案)D.以上說法都是正確的。25.如果函數(shù)沒有使用return語句，則函數(shù)返回的是？A.0B.None(正確答案)C.任意整數(shù)D.報錯!函數(shù)必須要有返回值。26.

defgreetPerson(name):

print('Hello',name)

greetPerson('Runoob','Google')

輸出結(jié)果為:A.HelloRunoobHelloGoogleB.Hello('Runoob','Google')(正確答案)C.HelloRunoobD.報錯27.result=lambdax:xx

print(result(5))

輸出結(jié)果為:A.lambdax:xxB.10C.25(正確答案)D.5528.

defFoo(x):

if(x==1):

return1

else:

returnx+Foo(x-1)

print(Foo(4))

輸出結(jié)果為:A.10(正確答案)B.24C.7D.129.

defpower(x):

defp(y):

returnxy

returnp

power(2)(5)

輸出結(jié)果為:A.2B.25C.10D.32(正確答案)30.list(map(lambdax,y:xy,[1,2,3],[4,5,6]))

輸出結(jié)果為:A.[6,10,12]B.[4,10,18](正確答案)C.[5,7,9]D.報錯31.print({1,2,3}-{3,4,6})

輸出結(jié)果為:A.{-2,-2,-3}B.{2,2,3}C.{1,2}(正確答案)D.報錯32.print(list(zip([1,2],[3,4])))

輸出結(jié)果為:A.[1,2,3,4]B.[(1,2),(3,4)]C.[(1,3),(2,4)](正確答案)D.報錯33.

x=[1,2,3,2,3]

x.pop()

print(x)

輸出結(jié)果為:A.[1,2,3,2,3]B.3C.[2,3,2,3]D.[1,2,3,2](正確答案)34.

x=[1,2,3]

x[1:]=[2]

print(x)

輸出結(jié)果為:A.[1,2,2]B.[1,2](正確答案)C.[1,2,3]D.[2,2,2]35.

x=[1,2,3]

x[:3]=[2]

print(x)

輸出結(jié)果為:A.[1,2,3]B.[1,2]C.[2](正確答案)D.[2,2,2]36.

x=[1,2,3,2,3]

x.remove(2)

print(x)

輸出結(jié)果為:A.[1,3,3]B.[1,3,2,3](正確答案)C.[1,2,3,3]D.[1,3]37.

x=(3)

print(x3)

輸出結(jié)果為:A.(3,3,3)B.9(正確答案)C.[9]D.報錯38.

x=(3,)

print(x3)

輸出結(jié)果為:A.(3,3,3)(正確答案)B.9C.[9]D.報錯39.下列哪個方法用于查看類的屬性A.__doc__B.__dict__(正確答案)C.__module__D.__class__40.

try:

100/0

exceptExceptionase:

print(1,end='')

else:

print(2,end='')

finally:

print(3,end='')

輸出結(jié)果為:A.12B.13(正確答案)C.23D.12341.open函數(shù)中哪種文件讀取模式只用于寫入A.rB.rbC.w(正確答案)D.a42.python在聲明類的過程中定義屬性時，帶有什么的屬性稱為私有屬性A.2個下劃線的前綴(正確答案)B.1個下劃線的前綴C.2個下劃線的后綴D.1個下劃線的后綴43.在Python3.x中可以使用中文作為變量名。對(正確答案)錯44.Python變量名必須以字母或下劃線開頭，并且區(qū)分字母大小寫。對(正確答案)錯45.3+4j不是合法的Python表達式。對錯(正確答案)46.只有Python擴展庫才需要導(dǎo)入以后