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题解 | #计算体重指数#

数值计算 weight,height=input().split(" ") bmi=int(weight)/((int(height)/100)**2) print("{:.2f}".format(bmi))

Python3

2021-12-19

1 326

题解 | #总成绩和平均分计算#

数值计算 score1,score2,score3=input().split(" ") total_score=float(score1)+float(score2)+float(score3) avg_score=total_score/3 print("{:.2f} {:.2f}".forma...

Python3

2021-12-18

1 496

题解 | #时间转换#

数值计算 time=input() hour=int(time)//3600 minute=int(time)//60-hour*60 second=int(time)%60 print("{} {} {}".format(hour,minute,second))

Python3

2021-12-18

0 320

题解 | #按照格式输入并交换输出#

两次split获取ab值，换位输出 line=input() list=line.split(",") a=list[0].split("=")[1] b=list[1].split("=")[1] print("a={},b={}".format(b,a))

Python3

2021-12-18

1 344

题解 | #出生日期输入输出#

字符串截取 birth=input() print("year={}\nmonth={:02d}\ndate={:02d}".format(birth[:4],int(birth[4:6]),int(birth[-2:])))

Python3

2021-12-18

0 381

题解 | #ASCII码#

chr(int())取ASCII转换字符 line="73,32,99,97,110,32,100,111,32,105,116,33" for i in line.split(","): print(chr(int(i)),end="")

Python3

2021-12-18

0 296

题解 | #字符金字塔#

固定行数遍历输出字符 def tri_pyramid(char): for i in range(1,6): print(" "*(5-i),end="") print((char+" ")*i,end="") print() char=inp...

Python3

2021-12-18

0 363

题解 | #学生基本信息输入输出#

re.split拆分输入字符，round取四舍五入 import re line=input() list=re.split("[;,]",line) score1=round(float(list[1])+0.0001,2) score2=round(float(list[2])+0.0001,2...

Python3

2021-12-18

1 463

题解 | #获取当前薪水第二多的员工的emp_no以及其对应的薪水salary#

双重select聚合函数取max select a.emp_no,b.salary,a.last_name,a.first_name from employees a,salaries b where a.emp_no=b.emp_no and b.salary=( select max(...

Mysql

2021-12-18

0 336

题解 | #21年8月份练题总数#

device_id去重，模糊匹配日期，2个字段聚合count select count(distinct device_id去重，模糊匹配日期，2个字段聚合count) as did_cnt,count(question_id) as question_cnt from question_pract...

Mysql

2021-12-18

0 345