以下文字与答案无关
提示:有些试题内容 显示不完整,文字错误 或者 答案显示错误等问题,这是由于我们在扫描录入过程中 机器识别错误导致,人工逐条矫正总有遗漏,所以恳请 广大网友理解。
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')
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')
'(','1',',','2',')',',',
'H','e','l','l','o']
B:(1,2), 'Hello']
C:输出错误
D:‘(1,2)’, ‘Hello’]
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'}
">13.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'}
{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'}
">14.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'}
'human', 'tiger', 'dog', 'cat'】
C:运行出错
D:('human', 'tiger', 'dog', 'cat')
">16.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 N'
">17.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'
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 Ne'
'ppy N'
'py New'
C:'ppy Ne'
D:'ppy Ne'
'ppy N'
">20.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'
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')