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题目内容（请给出正确答案）

[单选题]

print（ls）（）

A.'apple','orange','banana'

B.['apple','orange','banana']

C.[]

D.变量未定义的错误

答案

C、[]

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更多“print（ls）（）”相关的问题

第1题

取ls–l输出结果的第5列的值的正确写法是（)

A.ls–l|awk“{print$5}”

B.ls–l|awk‘{print$5}’

C.ls–l|awk{print$5}

D.ls–l|awk‘print$5’

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第2题

下面代码的执行结果是（)。ls=[[1,2,3],[[4,5],6],[7,8]]print（len（ls))

A.3

B.4

C.8

D.1

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第3题

以下代码的输出结果是（）。ls=【“橘子”,”芒果”,”草莓”,”西瓜”,”水蜜桃”】for k in ls:print（k,end=" "）

A.橘子芒果草莓西瓜水蜜桃

B.橘子芒果草莓西瓜水蜜桃

C.西瓜

D.橘子芒果草莓西瓜水蜜桃

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第4题

阅读以下程序，填写运行结果（）。dic={'apple':2, 'orange':5, 'pear':3

, 'banana':6, 'watermelon':1} s=0 for k,v in dic.items(): if v>3: s+=v print(s)

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第5题

请写出下面程序的输出结果。def fun（s,n):If n==1:return Is[0];t=fun（s,n-1)if t<ls[n-1]:retu

请写出下面程序的输出结果。def fun（s,n):If n==1:return Is[0];t=fun（s,n-1)if t＜ls[n-1]:retu

请写出下面程序的输出结果。

def fun(s,n):

If n==1:

return Is[0];

t=fun(s,n-1)

if t＜ls[n-1]:

return t

else:

return Is[n-1]

print(fun([35,27,29,50-1],5)

print(fun([35,27,29,50-1],3))

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第6题

运行以下程序，输出结果为（）。s='a1b2c3d4' lst=[] n=len（s) for i in range（0,n,2): ls

运行以下程序，输出结果为（）。s='a1b2c3d4' lst=[] n=len(s) for i in range(0,n,2): lst.append(s[i:i+2] ) print(lst[-3])

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第7题

列表ls中存储了我国39所985高校所对应的学校类型。请以这个列表未数据变量，完善代码，统计输出各类型的数量。 ls = [综合, 理工, 综合, 综合, 综合, 综合, 综合, 综合, 综合, 综合,\ 师范, 理工..

列表ls中存储了我国39所985高校所对应的学校类型。请以这个列表未数据变量，完善代码，统计输出各类型的数量。 ls = ["综合", "理工", "综合", "综合", "综合", "综合", "综合", "综合", "综合", "综合",\ "师范", "理工", "综合", "理工", "综合", "综合", "综合", "综合", "综合","理工",\ "理工", "理工", "理工", "师范", "综合", "农林", "理工", "综合", "理工", "理工",\ "理工", "综合", "理工", "综合", "综合", "理工", "农林", "民族", "军事"] d = {} for word in ls: d[word] = d.get(word,0)+1 for k in d: print("{}:{}".format(_________)

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第8题

Warning: Holding a cell phone against your ear or storing it in your pocket may be hazardo

us to your health. This paraphrases a warning that cell phone manufacturers include in the small print that is often【C1】______ when a new phone is purchased. Apple, 【C2】______, doesnt want iPhones to come closer to you than 1.5 centimeters; Research In Motion, BlackBerrys manufacturer,【C3】______2.5 centimeters. If health issues【C4】______cell phone use, the implications are huge. According to a recent survey,Americans chat【C5】______cell phones 2.26 trillion minutes annually, which【C6】______ $100 billion for the wireless carriers. Epidemiologists(流行病学家)pointed out that brain cancer is a(n) 【C7】______. Overall, there has not been a(n) 【C8】______ in its incidence since cell phones arrived. But the average【C9】______an increase in brain cancer in the 20-to-29 age group【C10】______a drop for the older population. "Most cancers have【C11】______causes," an expert says,【C12】______she points to laboratory research that suggests low-energy radiation could damage cells that could possibly lead to cancer. Besides, children are more【C13】______ to radiation than adults, other scientists point out. Radiation that【C14】______only five centimeters into the brain of an adult will reach much deeper into the brains of children because their skulls are thinner and their brains【C15】______ more absorptive fluid. Henry Lai ,a research professor at the University of Washington,began laboratory radiation studies in 1980 and found that rats【C16】______ radio frequency radiation had【C17】______DNA in their brains. Ms. Davis recommends【C18】______wired headsets or the phones speaker. Children should text【C19】______ call, she said, and pregnant women should keep phones away from the abdomen【C20】______.

【C1】

A．tossed off

B．tossed about

C．tossed aside

D．tossed down

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第9题

Apple addicts refer to people who （）.

A.like Apple products

B.never use Apple products

C.work for Apple

D.know nothing about Apple