raise valueerror python code example

Example 1: how to raise a error in python

# You can raise a error in python by using the raise keyword
raise Exception("A error occured!")

Example 2: exception pyton print

except Exception as e: print(e)

Example 3: raise python

# Raise is used to cause an error
raise(Exception("Put whatever you want here!"))
raise(TypeError)

Example 4: raise valueerror

raise ValueError('A very specific bad thing happened.')

Example 5: 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 6: python: raise error

class MyError(TypeError):
    pass

raise MyError('An error happened')