A、n=int(input())result=0foriinrange(n):ifi%2==1:result=result+iprint(result)
B、n = int(input())result = 0for i in range(1, n):if i % 2 == 1:result = result + iprint(result)
C、n = int(input())result = 0for i in range(n):result = result + iprint(result)
D、n = int(input())print(sum([i for i in range(n) if i % 2 == 1]))
答案：ABD
A、n=int(input())result=0foriinrange(n):ifi%2==1:result=result+iprint(result)
B、n = int(input())result = 0for i in range(1, n):if i % 2 == 1:result = result + iprint(result)
C、n = int(input())result = 0for i in range(n):result = result + iprint(result)
D、n = int(input())print(sum([i for i in range(n) if i % 2 == 1]))
答案：ABD
对以上数据,先按照年龄字段降序,若年龄相同再按照身高升序排列正确的语句为(0
A. frame.sortⱣⱤvalues(ascending=['age','height], by=[False,True])
B. frame.sortⱣⱤvalues(by=('age','height), ascending=(False,True))
C. frame.sortⱣⱤvalues(ascending=('age','height), by=(False,True))
D. frame.sortⱣⱤvalues(by=['age','height], ascending=[False,True])
A. print(float('3.0'))
B. print(float(3))
C. print(float(' 3.0\n'))
D. print(float('\t 3.0\n'))
解析：答案解析:float()转浮点数时,可以去除字符串开头和结尾的空白字符
A. 对
B. 错
A. 对
B. 错
A. 对
B. 错
A. print(year + '年')
B. print(str(year) + '年')
C. print(f'{year}年')
D. print('{}年'.format(year))
