from typing import Dict, TypeVar
K = TypeVar('K')
V = TypeVar('V')
def sort_map_by_value_then_key(source_map: Dict[K, V]) -> Dict[K, V]:
"""
Sorts a dictionary first by value (ascending), then by key (ascending) as a tie-breaker.
Args:
source_map: The input dictionary to be sorted.
Returns:
A new dictionary containing the entries sorted by value then key.
"""
# Sort items using a tuple key: item[1] is the value (primary),
# item[0] is the key (secondary tie-breaker)
sorted_items = sorted(source_map.items(), key=lambda item: (item[1], item[0]))
# Reconstruct the dictionary (Python 3.7+ preserves insertion order)
return dict(sorted_items)
if __name__ == "__main__":
# Initialize the dictionary with the requested values
scores = {
"Luna": 85,
"Sofia": 92,
"Charlie": 96,
"Bella": 92,
"Brock": 80,
"Jolie": 96,
"Bob": 92,
"Eve": 92
}
# Sort the dictionary using our function
sorted_scores = sort_map_by_value_then_key(scores)
# Display the sorted results
print("Sorted by value (score), then by key (name):")
print("-" * 44)
for name, score in sorted_scores.items():
print(f"{name}: {score}")
'''
run:
Sorted by value (score), then by key (name):
--------------------------------------------
Brock: 80
Luna: 85
Bella: 92
Bob: 92
Eve: 92
Sofia: 92
Charlie: 96
Jolie: 96
'''
