catch error python

1raise Exception("message")

1try:
2  print("I will try to print this line of code")
3except:
4  print("I will print this line of code if an error is encountered")

1import traceback
2
3dict = {'a':3,'b':5,'c':8}
4try:
5  print(dict[q])
6 
7except:
8  traceback.print_exc()
9  
10# This will trace you back to the line where everything went wrong. 
11# So in this case you will get back line 5    
12  
13  

1try:
2   # Code to test / execute
3   print('Test')
4except (SyntaxError, IndexError) as E:  # specific exceptions
5   # Code in case of SyntaxError for example
6   print('Synthax or index error !')
7except :
8   # Code for any other exception
9   print('Other error !')
10else:
11   # Code if no exception caught
12   print('No error')
13finally:
14   # Code executed after try block (success) or any exception (ie everytime)
15   print('Done')
16
17# This code is out of try / catch bloc
18print('Anything else')

1import sys
2try:
3	S = 1/0 #Create Error
4except: # catch *all* exceptions
5    e = sys.exc_info()
6    print(e) # (Exception Type, Exception Value, TraceBack)
7
8############
9#    OR    #
10############
11try:
12	S = 1/0
13except ZeroDivisionError as e:
14    print(e) # ZeroDivisionError('division by zero')

1try:
2    do_something()
3except:
4    print "Caught it!"