PYTHON PROGRAMMING

         1.write a python program for the above given question.

a=input()
s=0
b={"I":1,"V":5,"X":10,"L":50,"C":100,"D":500,"M":1000}
c=[i for i in a]
if len(c)%2==0:
    for j in range(0,len(c)//2+1,2):
        if b[c[j]]>=b[c[j+1]]:
            s=s+abs(b[c[j]]+b[c[j+1]])
        else:
            s=s+abs(b[c[j]]-b[c[j+1]])
else:
    d=c[0]
    del(c[0])
    for j in range(0,(len(c)//2)+1,2):
        s=s+abs(b[c[j]]-b[c[j+1]])       
    s=s+b[d]
print(s)   
    
NOTE: IF U HAVE ANY DOUBTS YOU CAN  ASK IN COMMENT SECTION.