以下文字与答案无关
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a="1,'a', 2, 'b']"
B:a = {1,'a', 2, 'b']}
C:a = 1,'a', 2, 'b']]
D:a=(1,'a', 2, 'b'])
lstDemo = ]
lstDemo.append('A','B')
print(lstDemo)
运行程序,其最终执行的结果为( )
选项: A:'A', 'B']
B:'B', 'A']
C:'A']
D:程序出现ValueError异常
case then number>10 when 'B' ELSE 'S'
B:case then number>10 when 'B' ELSE 'S' end
C:case when number>10 then 'B' ELSE 'S'
D:case when number>10 then 'B' ELSE 'S' end
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()
'k'
B:'#000000'
C:(0.0, 0.0, 0.0)
D:'b'
'k'
B:'#000000'
C:(0.0, 0.0, 0.0)
D:'b'
living on one's knees
B:to living on one's knees
C:on one's knees
D:to live on one's knees
'1',2,3
B:1 2 3
C:'1' 2 3
D:'1'
2
3
'2.5+1+2'
C:'5.5'
D:5.5
">11.表达式eval("5/2+5%2+5//2")的结果是( )。 选项: A:'2.5_1_2'
B:'2.5+1+2'
C:'5.5'
D:5.5
username=input('请输入用户名')
password=input('请输入密码')
if username=='jxz'and password=='123456':
print('登陆成功')
else:
print('登陆失败')
B:username=input('请输入用户名')
password=input('请输入密码')
if username=='jxz' or password=='123456':
print('登陆成功')
else:
print('登陆失败')
C:username=’jxz’
password=’123456’
if username='jxz'and password='123456':
print('登陆成功')
else:
print('登陆失败')
D:username=input('请输入用户名')
password=input('请输入密码')
if username='jxz'and password='123456':
print('登陆成功')
elif:
print('登陆失败')
def foo(arg1, arg2='test', arg3=100):
print arg1, arg2, arg3
选项: A:foo(arg1 = 'where', arg2 = 'what')
B:foo('where')
C:foo('where','what')
D:foo(arg = 'where')
'human', 'tiger', 'dog', 'cat']
C:运行出错
D:('human', 'tiger', 'dog', 'cat')
">15.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')
'ppy Ne'
'ppy N'
'py New'
C:'ppy Ne'
D:'ppy Ne'
'ppy N'
">16.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'
1'-OH
B:3'-P
C:2'-OH
D:3'-OH
E:5'-P
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');
LIKE '_ 嘉 _ '
B:LIKE '_ 嘉 % '
C:LIKE '% 嘉 _ '
D:LIKE '% 嘉 % '