数字每位和
n=eval(input()) sum=0 tmp=n while tmp!=0: sum=sum+tmp%10 tmp=tmp//10 print(sum)
m,n=map(int,input().split()) tmp='' for i in range(m): s=input() if (n==1 and i%2==0): tmp=tmp+s[1::2] if (n==2 and i%2!=0): tmp=tmp+s[::2] print(tmp)
from math import* ax,ay,az=map(int,input().split()) bx,by,bz=map(int,input().split()) m=ax*bx+ay*by+az*bz n=(sqrt(ax*ax+ay*ay+az*az))*(sqrt(bx*bx+by*by+bz*bz)) cosn=m/n print("%.2f"%cosn)
a=input().split() m=1 n=m+1 fo=open("example.txt","w") for i in range(1,len(a)+1): fo.write(a[i-1]) if i==m: fo.write("n") m=m+n n=n+1 else: fo.write(" ") fo.close()
str1='' t=0 for i in iter(input,''): if i not in str1: t=t+1 str1=str1+i print(t)
from math import* class Parallelogram: def __init__(self,a,b,c): self.a=a self.b=b self.c=c def get_area(self): area=self.a*self.b*sin(radians(self.c)) return area def main(): a,b,c=map(int,input().split()) p=Parallelogram(a,b,c) print("%.6f"%p.get_area()) main()
class NumberError(Exception): def __init__(self,message): super().__init__() self.__message=message def __str__(self): return self.__message class Number: def __init__(self,number): self.number=number if isinstance(self.number,int)==False: raise ValueError("shuruzhengshu") tmp=self.number sum=0 tmp=n while tmp!=0: sum=sum+tmp%10 tmp=tmp//10 if sum//7!=0: raise NumberError("bushi7beishu") def main(): try: num = Number(int(input())) print(num) except NumberError as ex: print(ex) except ValueError: print("You must enter integers. System Boom!") main()
from math import pi class Circle: def __init__(self,radius): self.radius=radius def get_area(self): return pi*self.radius**2 class Cyclinder(Circle): def __init__(self,radius,height): self.radius=radius self.height=height def get_volume(self): return pi*self.radius**2*self.height def main(): r=eval(input()) c=Circle(r) r,h=map(eval,input().split()) d=Cyclinder(r,h) print(c.get_area()) print(d.get_volume()) main()
lst=input().split() n=eval(input()) lst=set(lst) j=[] for i in range(n): tmp=input().split() j=j+tmp j=set(j) if lst<=j: print("True") else: print("False")
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