raiseerror python code example

Example 1: throwing an exception python

raise Exception("message")

Example 2: python raise TypeError

def prefill(n,v):
    try:
        n = int(n)
    except ValueError:
        raise TypeError("{0} is invalid".format(n))
    else:
        return [v] * n

Example 3: python: raise error

class MyError(TypeError):
    pass

raise MyError('An error happened')