try and except python code example
Example 1: how to print error in try except python
try:
# some code
except Exception as e:
print("ERROR : "+str(e))
Example 2: throwing an exception python
raise Exception("message")
Example 3: python try catch
try:
# Dangerous stuff
except ValueError:
# If you use try, at least 1 except block is mandatory!
# Handle it somehow / ignore
except (BadThingError, HorrbileThingError) as e:
# Hande it differently
except:
# This will catch every exception.
else:
# Else block is not mandatory.
# Dangerous stuff ended with no exception
finally:
# Finally block is not mandatory.
# This will ALWAYS happen after the above blocks.
Example 4: try except python
try:
print("I will try to print this line of code")
except:
print("I will print this line of code if an error is encountered")
Example 5: try catch python
try:
print("try to run this block")
except:
print("run this bock if there was error in earlier block")
Example 6: python try except
import sys
try:
f = open('myfile.txt')
s = f.readline()
i = int(s.strip())
except OSError as err:
print("OS error: {0}".format(err))
except ValueError:
print("Could not convert data to an integer.")
except:
print("Unexpected error:", sys.exc_info()[0])
raise