raise exception in python
raise Exception('I know Python!') # Don't! If you catch, likely to hide bugs.raise exception in python
raise Exception('I know Python!') # Don't! If you catch, likely to hide bugs.raise exception in python
#raise exception
raise ValueError('A very specific bad thing happened.')how to use except statement in python
>>> def divide(x, y):
... try:
... result = x / y
... except ZeroDivisionError:
... print("division by zero!")
... else:
... print("result is", result)
... finally:
... print("executing finally clause")
...
>>> divide(2, 1)
result is 2.0
executing finally clause
>>> divide(2, 0)
division by zero!
executing finally clause
>>> divide("2", "1")
executing finally clause
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 3, in divide
TypeError: unsupported operand type(s) for /: 'str' and 'str'python raise exception
# this raises a "NameError"
>>> raise NameError('HiThere')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: HiTherepython: raise error
class MyError(TypeError):
pass
raise MyError('An error happened')Copyright © 2021 Codeinu
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