Exercise_46.py

# Find the maximum number in a jagged array of numbers or array of numbers
def maxNum(array):
    for elt in array:
        max = 0
        if isinstance(elt, list):
            maxIf = elt[0]
            for val in elt:
                if val > max:
                    maxIf = val
        else:
            maxElse = elt
            if elt >= maxElse:
                maxElse = elt
    if maxIf >= maxElse:
        return maxIf
    else:
        return maxElse
print(maxNum([1, 5, [354, 3], 9]))