针对Unicode数字，byte数字（单字节），全角数字（双字节），罗马数字等均能返回真值的函数是：
A. isdigit()
B. isdecimal()
C. isnumeric()
D. isalnum
查看答案
执行代码：>>>'3/67={x}'.format(x=3/67)'3/67=0.04477611940298507'>>>'3/67={x:.3f}'.format(x=3/67)最后的结果是：
A. 3/67=0.044'
B. '3/67=0.045'
C. '3/67=0.05'
D. '3/67=0.0448'
执行代码：>>>names=['zhu','wang','li','xie']>>>cap_names=[n.capitalize()forninnames]>>>cap_names执行后的结果是：
A. ['zhu','wang','li','xie']
B. ['ZHU','WANG','LI','XIE']
C. ('zhu','wang','li','xie')
D. ['Zhu','Wang','Li','Xie']
执行代码：>>>x,y=25,1/4>>>s='%.2fcanbetranslateto%d%%'%(y,x)>>>s执行后的结果是：
A. '1/4canbetranslatedto25%%'
B. '1/4canbetranslatedto25%'
C. '0.25canbetranslatedto25%'
D. '0.25canbetranslatedto25%%'
执行代码：>>>x,y,z='dog',4.521,3>>>s=r"There's%d%ssolderthan%.1fyears"%(z,x,y)>>>s执行后的结果是：
A. 'There's3dogsolderthan4.521years'
B. "There's3dogsolderthan4.52years"
C. 'There's3dogsolderthan4.5years'
D. "There's3dogsolderthan4.5years"
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