PYTHON

catch error python

import traceback

dict = {'a':3,'b':5,'c':8}
try:
  print(dict[q])
 
except:
  traceback.print_exc()
  
# This will trace you back to the line where everything went wrong. 
# So in this case you will get back line 5    
  
  

python catch any exception

try:
    do_something()
except:
    print "Caught it!"

python Catching Exceptions

# import module sys to get the type of exception
import sys

randomList = ['x', 0, 4]

for entry in randomList:
    try:
        print("The entry is", entry)
        r = 1/int(entry)
        break
    except Exception as e:
        print(e.__class__, "occurred.")
        print("Next entry.")
        print()
print("The reciprocal of", entry, "is", r)