def average(nums):
    try:
        return sum(nums)/len(nums)
    except:
        return "Something bad happened."

def average(nums):
    try:
        return sum(nums)/len(nums)
    except ZeroDivisionError:
        return "List must not be empty."
    except TypeError:
        return "Function needs a list of numbers."

def average2(nums):
    total = 0
    length = 0
    for x in nums:
        total += x
        length += 1
    return total/length

def indexOfMinimum(nums):
    if len(nums) == 0:
        return "List is empty."
    index = 0
    for i in range(1, len(nums)):
        if nums[index] > nums[i]:
            index = i
    return index

def getNumber():
    userInput=input("Enter a number: ")
    try:
        print("before the float call")
        userNumber = float(userInput)
        print("after the float call")
    except:
        print("Bad number, try again.")
        userNumber = getNumber()
        return userNumber
    print("User entered a valid number!")
    return userNumber