Python编程基础与应用 第2版 课习题答案汇总 李方园 第1--7章.docx

1-1选择题

1.B 2.B 3.D 4.C 5.B 6.A

1.2

a=10

b=20

print(a+b=,a+b)

print(a-b=,a-b)

print(a*b=,a*b)

print(a/b=,a/b)

print(a的b次幂=,a**b)

print(a被b整除,a//b)

print(a被b整除后余数,a%b)

print(a大于b的结果是,ab)

1.3

a=int(input(请输入a=))

b=int(input(请输入b=))

c=int(input(请输入c=))

print(abc=,abc)

print(a|b|c=,a|b|c)

print(a^b^c=,a^b^c)

print(~a~b~c=,~a~b~c)

print(ab|c=,ab|c)

1.4

int1=int(input(请输入int=))

print(取反值=,~int1)

print(按位左移4位=,int14)

print(按位右移4位=,int14)

2-1选择题

1.C 2.A 3.B 4.D 5.D 6.B

2-2

/python/python-exercise-example32.html

2-4

/yaoyao4959/article/details2-5

/yaoyao4959/article/details2-6

/yaoyao4959/article/details

3-1选择题

1.C 2.B 3.D 4.D 5.D 6.B

3-2流程图

3-3

alen=input()

ifalen[-1]==m:

blen=eval(alen[:-1])*3.2808

print({:.2f}ft.format(blen))

elifalen[-2:]==ft:

blen=eval(alen[:-2])/3.2808

print({:.2f}m.format(blen))

else:

print(格式错误)

3-4/weixinarticle/detailsutm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~sobaiduend~default-2nonecaseutm_term=python%E5%85%B3%E4%BA%8E%E7%BB%93%E6%9E%84%E5%8C%96%E7%A8%8B%E5%BA%8F%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%B3%95spm=1000.2123.3001.4430

3-5董P63

3-6

/python/python-exercise-example1.html

3-7

/python/python-exercise-example4.html

3-8

/python/python-exercise-example21.html

3-9

/python/python-exercise-example46.html

3-10

/python/python-exercise-example69.html

4-1

deffact(n):

ifn==1:

return1

returnn*fact(n-1)

4-2

/freem/p/5967179.html

4-7

/qqarticle/details4-9

选择题

1.B 2.B 3.C4A

【5-4】

try:

num=5

print(num/0)

print(准备openthefile)

f1=open(aaa.txt,r)

print(thefileisopen)

except:

print(程序有异常了)

【5-6】选择题

1.C 2.B 3.C 4.D

【7-6】大学排行榜：/weixinarticle/details2-1选择题

1.C 2.A 3.B 4.D 5.D 6.B

2.2参考程序一：

list1=[]

forjinrange(5):

list1.append(input(请输入：))

list1.reverse()

foriinlist1:

print(i)

参考程序二：

list1=[]

for