Question

I know this could be a stupid question but I can’t seem to actually do it.

I’m trying to do this:

f = open("txtfiles/c.txt", "r")
c = f.read()
int(c)
ca = float(input("Enter Cash to Add: "))
int(ca)
cn= c+ca
print (cn)

I have tried to say they are both floats so that they can be added properly because I need the user to be able to add decimals but when ever I do it I get
TypeError: Can’t convert ‘float’ object to str implicitly

I have searched on the internet and I have seen this error come up loads but nothing has actually seemed to help.

Sorry for the noob question but any suggestion would be appreciated.

Answer 1

When you do int(c) this will generate a integer from the string c but you don’t assign it to anything. In your case c will still be a string. Change that line to:

    c = int(c)

Even better, since you want to get decimals added too why not just use floats and skip the integer conversion?

    f = open("txtfiles/c.txt", "r")
    c = float(f.read())
    ca = float(input("Enter Cash to Add: "))
    cn = c + ca
    print cn