Sorry if this too naive..
global name
name=""
def namecheck(lastname):
    if name:
        name=lastname+name
    else:
        name=lastname
    print name
namecheck("ravi")
In a code like this how do access and modifythe variable name inside the function without having to pass it as an argument.
Right now I have this error:
UnboundLocalError: local variable 'name' referenced before assignment
