题目内容
（请给出正确答案）
[单选题]
下面代码的输出结果是（） def exchange（a,b): a,b = b,a return （a,b) x = 10 y = 20 x,y = exchange（x,y) print（x,y)
A.20 10
B.20 20
C.10 10
D.20,10
提问人：网友shan00509
发布时间：2022-01-07
题目内容
（请给出正确答案）
如搜索结果不匹配，请 
您可能会需要：
安装简答题APP，拍照搜题省时又省心！
更多“下面代码的输出结果是（） def exchange（a,b)…”相关的问题
第2题
Which of the following is an example of arbitrage?
A．A firm sells a box of cereal at ＄10 when the average cost of producing it is ＄6．
点击查看答案
B．Thomas buys a new stock issued by a firm on the stock exchange
C．A local salon charges 5 percent more for all its services than a competing salon in the same locality．
D．Romi buys a DVD from Walmart at ＄10 and sells it on eBay for ＄20．
第3题
Write a letter for the principal to accept the agent's application of being sole agent after reading the following given letter．Dear Mr．Wang:
Our company is one of the leading companies in china ornaments retail business．We have oufiets throughout our England．We are interested in your products displayed at the exhibition Guangzhou fair and would like to know whether you could offer us a sole agency to retail your products in our country.
We are confident that there is a growing market for your products in this area, due to the increasing demand for china ornaments.
We operate on a 10% commission basis on net list prices, with an additional 3% del credere commission if required．We usually pay our principals by bill of exchange on a quarterly basis.
If you are interested in the above proposal, we will send our representative to discuss further details with you．We look forward to hearing from you soon.
Yours sincerely,
第4题
A) scrape
B) scratch
C) explore
D) exploited
E) consent
F) consultant
G) bribe
H) positively
I) exchange
J) investigation
K) accounting
L) undiscovered
M) unveiled
N) shielded
O) negatively
In the past several years, many news stories about corporate greed have come to surface. The illegal practices of some executives have(1)impacted our economy. What makes this worse is that these executives seem to have the(2)of some political leaders. Some of the executives even(3)lawmakers. Recently a member of Congress from California was caught demanding gifts from interest groups in(4)for supporting new laws. A few top leaders in the government are under(5)for illegal activities. This doesn't even(6)the surface of the problem. A few years back a company made many purposeful(7)errors to fool investors. Many believe that one reason the problem became so big was that our nation's top leaders(8)the company. By the time the truth was(9), many innocent people had lost their entire savings. There seems to be more and more companies that(10)the public's trust for their own interests. This calls for laws and strict regulations to put the illegal practice to an end.
第6题
下面代码的执行结果是（ ） >>> def area(r, pi = 3.14159): return pi * r * r >>> area(3.14, 4)
A、出错
B、50.24
C、39.4384
D、无输出
第7题
下面代码的执行结果是（ ） >>> def area(r, pi = 3.14159): return pi * r *r >>> area(pi = 3.14, r = 4)
A、出错
B、50.24
C、39.4384
D、无输出
第8题
关于函数局部变量和全局变量的使用规则，以下选项中描述错误的是（ ）
A、对于基本数据类型的变量，无论是否重名，局部变量与全局变量不同
B、return不可以传递任意多个函数局部变量返回值
C、对于组合数据类型的变量，如果局部变量未真实创建，则是全局变量
D、可以通过global保留字在函数内部声明全局变量
第9题
给出如下代码： ls = ["car","truck"] def funC(a): ls.append(a) return funC("bus") print(ls) 以下选项中描述错误的是（ ）
A、ls.append(a) 代码中的ls是全局变量
B、funC(a)中的a为非可选参数
C、ls.append(a) 代码中的ls是列表类型
D、执行代码输出结果为['car', 'truck']
