Python 3.13.6 (tags/v3.13.6:4e66535, Aug  6 2025, 14:36:00) [MSC v.1944 64 bit (AMD64)] on win32
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from typing import Dict, Optional

def get_max_value(data_dict: Dict[str, int]) -> Optional[int]:
    """Calculates the maximum of all integer values in the dictionary."""
    if len(data_dict) == 0:
        return None
    else:
        return max(data_dict.values())


get_max_value
<function get_max_value at 0x000001E7DBCD2160>
d1 = {'a': 100, 'b': 'hello', 'c': 1, 'd': 40}
d1
{'a': 100, 'b': 'hello', 'c': 1, 'd': 40}
get_max_value(d1)
Traceback (most recent call last):
  File "<pyshell#6>", line 1, in <module>
    get_max_value(d1)
  File "<pyshell#1>", line 6, in get_max_value
    return max(data_dict.values())
TypeError: '>' not supported between instances of 'str' and 'int'
d2 = {'a': 100, 'b': 7, 'c': 1, 'd': 40}
get_max_value(d2)
100
d3 = {}
get_max_value(d3)
try:
    # Code that might raise an error
    result = 10 / 0 
except ZeroDivisionError as e:
    # 'e' is the exception object; printing it shows the specific error message
    print("An error occurred:", e)
    print("Error type:", type(e).__name__)

    
An error occurred: division by zero
Error type: ZeroDivisionError
try:
    print(f"get_max_value({d5}): {get_max_value(d5)}")
except Exception as e:
    # 'e' is the exception object; printing it shows the specific error message
    print("An error occurred:", e)
    print("Error type:", type(e).__name__)

    
An error occurred: name 'd5' is not defined
Error type: NameError
d5 = {'a': 100, 'b': 'hello', 'c': 1, 'd': 40}
try:
    print(f"get_max_value({d5}): {get_max_value(d5)}")
except Exception as e:
    # 'e' is the exception object; printing it shows the specific error message
...     print("An error occurred:", e)
...     print("Error type:", type(e).__name__)
... 
...     
An error occurred: '>' not supported between instances of 'str' and 'int'
Error type: TypeError
>>> type(d5)
<class 'dict'>
>>> dir(d5)
['__class__', '__class_getitem__', '__contains__', '__delattr__', '__delitem__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__ior__', '__iter__', '__le__', '__len__', '__lt__', '__ne__', '__new__', '__or__', '__reduce__', '__reduce_ex__', '__repr__', '__reversed__', '__ror__', '__setattr__', '__setitem__', '__sizeof__', '__str__', '__subclasshook__', 'clear', 'copy', 'fromkeys', 'get', 'items', 'keys', 'pop', 'popitem', 'setdefault', 'update', 'values']
>>> s = '  HeLLo  '
>>> s
'  HeLLo  '
>>> s.lower()
'  hello  '
>>> s.lower().strip()
'hello'