以下文字与答案无关
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'human', 'tiger', 'dog', 'cat']
C:运行出错
D:('human', 'tiger', 'dog', 'cat')
">2.元组变量t=("cat", "dog", "tiger", "human"), t::-1]的结果是 选项: A:{'human', 'tiger', 'dog', 'cat'}
B:'human', 'tiger', 'dog', 'cat']
C:运行出错
D:('human', 'tiger', 'dog', 'cat')
'human', 'tiger', 'dog', 'cat'】
C:运行出错
D:('human', 'tiger', 'dog', 'cat')
">3.元组变量t=("cat", "dog", "tiger", "human"), t::-1]的结果是 选项: A:{'human', 'tiger', 'dog', 'cat'}
B:'human', 'tiger', 'dog', 'cat'】
C:运行出错
D:('human', 'tiger', 'dog', 'cat')
'(','1',',','2',')',',',
'H','e','l','l','o']
B:(1,2), 'Hello']
C:输出错误
D:‘(1,2)’, ‘Hello’]
a="1,'a', 2, 'b']"
B:a = {1,'a', 2, 'b']}
C:a = 1,'a', 2, 'b']]
D:a=(1,'a', 2, 'b'])
'ppy Ne'
'ppy N'
'py New'
C:'ppy Ne'
D:'ppy N'
">7.设s = "Happy New Year", 则s3:8]的值为: 选项: A:'py Ne'
B:'ppy Ne'
'ppy N'
'py New'
C:'ppy Ne'
D:'ppy N'
'ppy Ne'
'ppy N'
'py New'
C:'ppy Ne'
D:'ppy Ne'
'ppy N'
">8.设s = "Happy New Year", 则s3:8]的值为: 选项: A:'py Ne'
B:'ppy Ne'
'ppy N'
'py New'
C:'ppy Ne'
D:'ppy Ne'
'ppy N'
Str_list=str1.split('|')
D={}
For l in str_list:
key,value=l.split(':')
Dkey]=value
Print(d)
选项: A:k:1,k1:2,k2:3,k3:4]
B:{k:1,k1:2,k2:3,k3:4}
C:'k':'1,'k1':2'','k2':'3','k3':'4']
D:{'k':'1,'k1':2'','k2':'3','k3':'4'}
">9.下面代码的输出结果是()。Str1="k:1|k1:2|k2:3|k3:4"
Str_list=str1.split('|')
D={}
For l in str_list:
key,value=l.split(':')
Dkey]=value
Print(d)
选项: A:k:1,k1:2,k2:3,k3:4]
B:{k:1,k1:2,k2:3,k3:4}
C:'k':'1,'k1':2'','k2':'3','k3':'4']
D:{'k':'1,'k1':2'','k2':'3','k3':'4'}
window. new( 'http://www. baidu. com',' window2')
B:window. open( 'http://www. baidu. com', ' window2',’')
C:new( 'http://www. baidu. com', 'window2');
D:new.window( 'http://www. baidu. com' ,'window2');
import numpy as np
import matplotlib.pyplot as plt
data = np.array(20, 50, 10, 15, 30, 55])
pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
plt.pie(data, labels=pie_labels)
plt.show()
B:import numpy as np
import matplotlib.pyplot as plt
data = np.array(20, 50, 10, 15, 30, 55])
pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
plt.pie(data, radius=1.5, labels=pie_labels)
plt.show()
C:import numpy as np
import matplotlib.pyplot as plt
data = np.array(20, 50, 10, 15, 30, 55])
pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
plt.pie(data, radius=1.5, explode=0, 0.2, 0, 0, 0, 0],labels=pie_labels)
plt.show()
D:import numpy as np
import matplotlib.pyplot as plt
data = np.array(20, 50, 10, 15, 30, 55])
pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
plt.pie(data, radius=1.5, wedgeprops={'width': 0.6},labels=pie_labels)
plt.show()
Import numpy as np
Import matplotlib.pyplot as plt
Data = np.array(20, 50, 10, 15, 30, 55])
Pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
Plt.pie(data, labels=pie_labels)
Plt.show()
B:Import numpy as np
Import matplotlib.pyplot as plt
Data = np.array(20, 50, 10, 15, 30, 55])
Pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
Plt.pie(data, radius=1.5, labels=pie_labels)
Plt.show()
C:Import numpy as np
Import matplotlib.pyplot as plt
Data = np.array(20, 50, 10, 15, 30, 55])
Pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
Plt.pie(data, radius=1.5, explode=0, 0.2, 0, 0, 0, 0],labels=pie_labels)
Plt.show()
D:Import numpy as np
Import matplotlib.pyplot as plt
Data = np.array(20, 50, 10, 15, 30, 55])
Pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
Plt.pie(data, radius=1.5, wedgeprops={'width': 0.6},labels=pie_labels)
Plt.show()
'ppy N'
C:'py Ne'
D:'py New'
">18.设s="Happy New Year",则s3:8]的值为()。 选项: A:'ppy Ne'
B:'ppy N'
C:'py Ne'
D:'py New'
'123456'
B:'579'
C:'123+456'
D:'456123'