throwing an exception python
raise Exception("message")
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.')
python raise exception
# this raises a "NameError"
>>> raise NameError('HiThere')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: HiThere
catch error data with except python
import sys
try:
S = 1/0 #Create Error
except: # catch *all* exceptions
e = sys.exc_info()
print(e) # (Exception Type, Exception Value, TraceBack)
############
# OR #
############
try:
S = 1/0
except ZeroDivisionError as e:
print(e) # ZeroDivisionError('division by zero')
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