相关试卷

import pandas as pd

import matplotlib.pyplot as plt

df = pd.read_excel("浙江 A 级景区.xlsx")

df = df.drop(["电话", "景区编码"],  )  # 删除不必要的列

for row in range(len(df)):  # 整理“等级”列数据

    grade = df.at[row, "等级"]

    if '1' <= grade[0] <= '9':

        df.at[row, "等级"] = "A" * int(grade[0])

df2 = df[ >= "AAAA"]

dfg = df2.groupby("地市").count()

dfg = dfg.rename(columns={'等级': "数量"})   # 重命名列名称

dfg. ("数量", ascending=False, inplace=True)

plt.figure(figsize=(8,4))

plt.rcParams['font.sans-serif']=['SimHei','FangSong']

plt.title("浙江 AAAA 级以上景区数量统计图")

for i in range(len(dfg)):

    plt.text(i, dfg["数量"][i]+1, dfg["数量"][i])

plt.xlabel("地市名称")

plt.ylabel("数量")

plt.legend( )

plt.show ( )

为实现上述功能，则加框处的语句最合适的是(    )  (单选，填字母)

from PIL import Image

#输入起始点坐标（xs,ys）,信息点宽度高度(fw, fh)，间隔宽度高度(sw, sh)，代码略

num = 5               # 判分个数

def bw_judge(R, G, B):   # bw_judge用于判断一个像素的填涂情况，代码略

def fill_judge(x, y):      # fill_judge用于判断信息点的填涂情况

    count = 0

    for i in range(x, x + fw + 1):

        for j in range(y, y + fh + 1):

            R, G, B = pixels[i, j]

            if bw_judge(R, G, B) = = True:

                count = count + 1

    return

total_width = fw+ sw

total_height = fh + sh

image = Image.open("t2.bmp")

pixels = image.load()

number = ""

bz=[""]*num

df=0

bzd=input('请输入标准答案：')

da={"A":"1000","B":"0100","C":"0010","D":"0001"}

for i in range(len(bzd)):

    bz[i]=

for row in range(num):                       #分数判定

    for col in range(4):

        y = ys + total_height * row

        if fill_judge(x, y) == True :

            number = number + '1'

        else:                           

            number = number + '0'

    if number = = bz[row]：

 df+=2

    number=""

print("得分为：",df)

n=int(input("n="))

m=int(input("m="))

lst=[]

for i in range(n-1):

    lst.append([i+1,i+1])

lst.append( ) #将尾节点的指针指向头节点，构成循环单向链表

p=len(lst)-1

while n>1:

    for i in range(1,m):         #从1~(m-1)依次报数    

    out=lst[p][1]

    n=n-1

print("最后留下的同学的编号是：", lst[p][0])

n=int(input("n="))

m=int(input("m="))

q=[0]*n ; head=0 ; tail=0

for i in range(1,n+1):         #构造循环队列

    q[tail]=i

c=0

while (head+1)%n!=tail:

    c=c+1

    if c==m:

        head=(head+1)%n

    else:

        tail=(tail+1)%n

        head=(head+1)%n

print("最后留下的同学的编号是： ",q[head])

import pandas as pd

import matplotlib.pyplot as plt

df=pd.read_excel("成绩表.xlsx")

df=df.rename(columns={"选择题总分":"选择题"})

print(df1)

请在划线处填写合适的代码。

num=int(input("请输入小组："))

plt.figure(figsize=(10,5))

list=[]

for i in range(12):

    s="题"+str(i+1)

    list.append(*50)

plt.bar(range(1,13),list)

plt.title(str(num)+"group")

plt.xlabel("question number")

plt.ylabel("correct rate")

plt.show()