Answers for "raise a error python"

14

throwing an exception python

raise Exception("message")
Posted by: Guest on June-22-2020
5

python raise exception

# this raises a "NameError"

>>> raise NameError('HiThere')

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: HiThere
Posted by: Guest on November-14-2020
0

python raise error exit

# There are 3 approaches, the first as lvc mentioned is using sys.exit
sys.exit('My error message')

# The second way is using print, print can write almost anything including an error message
print >>sys.stderr, "fatal error"     # Python 2.x
print("fatal error", file=sys.stderr) # Python 3.x

# The third way is to rise an exception which I don't like because it can be try-catch
raise SystemExit('error in code want to exit')

# it can be ignored like this
try:
  raise SystemExit('error in code want to exit')
except:
  print("program is still open")
Posted by: Guest on September-10-2020
0

try except python

def sum_of(x, y):
  try:
    print(x + y)
  except TypeError:
    print("Invalid argument specified.")
Posted by: Guest on September-25-2020

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