Multiplying two elements in a list

October 21, 2022

How can I multiply two elements in a list?
I am reading a text file, and printing the following:

for i in range(len(listeisotoper)):
    print("Isotop type:"+listeisotoper[i][0])
    print("Isotopisk masse u: "+listeisotoper[i][1])
    print("Naturlig forekomst: "+listeisotoper[i][2])
    print("xxx"+"g/mol")
    print("\n")

However i cannot fathom how i can multiply the listeisotoper[i][1] * listeisotoper[i][2]
and then have it print the number with decimal points.
Any suggestions?

>Solution :

It isn’t clear question for me, but may be this code will help you

for i in range(len(listeisotoper)):
    print("Isotop type:"+listeisotoper[i][0])
    print("Isotopisk masse u: "+listeisotoper[i][1])
    print("Naturlig forekomst: "+listeisotoper[i][2])
    mult_res = float(listeisotoper[i][1]) * float(listeisotoper[i][2]) 
    print(f"Mult = {mult_res:.1f}")
    print("xxx"+"g/mol")
    print("\n")