Rasing multiple exception in Python Language

raise_multiple_exceptions.py

import traceback

# define some sample function with a nonexisting var
def my_function():
    some_var = nonexisting_var

# create dict to store all raised exceptions
raised_exceptions = {}

# for 3 times execute a broken function (that generates execptions)
for execution_turn in range(0, 3):
    try:
        my_function(execution_turn)
    except Exception as exc:
        # store each exception with all traceback information
        raised_exceptions[exc] = traceback.format_exc()

# if found exceptions in dict
if raised_exceptions:
    # raise a father exception with all sub exceptions
    raise Exception(raised_exceptions)


# $ python raise_multiple_exceptions.py
# Traceback (most recent call last):
#   File "/your/folder/raise_multiple_exceptions.py", line 21, in <module>
#     raise Exception(raised_exceptions)
# Exception: {
#   TypeError('my_function() takes 0 positional arguments but 1 was given'): 'Traceback (most recent call last):\n  File "/your/folder/raise_multiple_exceptions.py", line 13, in <module>\n    my_function(execution_turn)\nTypeError: my_function() takes 0 positional arguments but 1 was given\n',
#   
#   TypeError('my_function() takes 0 positional arguments but 1 was given'): 'Traceback (most recent call last):\n  File "/your/folder/raise_multiple_exceptions.py", line 13, in <module>\n    my_function(execution_turn)\nTypeError: my_function() takes 0 positional arguments but 1 was given\n',
#   
#   TypeError('my_function() takes 0 positional arguments but 1 was given'): 'Traceback (most recent call last):\n  File "/your/folder/raise_multiple_exceptions.py", line 13, in <module>\n    my_function(execution_turn)\nTypeError: my_function() takes 0 positional arguments but 1 was given\n'
# }