Debug the functions
Should be easy, begin by looking at the code. Debug the code and the functions should work.
There are three functions: ```Multiplication (x)``` ```Addition (+)``` and ```Reverse (!esreveR)```
i {
  font-size:16px;
}
#heading {
  padding: 2em;
  text-align: center;
  background-color: #0033FF;
  width: 100%;
  height: 5em;
}
def multi(l_st):
    x=1
    for ele in l_st:
        x*=ele
    return x
        
def add(l_st):
    return sum(l_st)
def reverse(l_st):
    return l_st[::-1]
def multi(l_st):
    x=1
    for ele in l_st:
        x*=ele
    return x
        
def add(l_st):
    return sum(l_st)
def reverse(l_st):
    return l_st[::-1]