Python 3.13 Changes !!better!! Page

def benchmark_fibonacci(): n = 35

# .items(), .keys(), .values() views are more memory efficient for key, value in data.items(): # Iteration overhead reduced pass Simplified handling of main module execution. python 3.13 changes

# Without cache start = time.perf_counter() result = fibonacci(n) normal_time = time.perf_counter() - start def benchmark_fibonacci(): n = 35 #

dp = DataProcessor() New: 'DataProcessor' object has no attribute 'process'. Did you mean: 'process_data'? try: dp.process() except AttributeError as e: print(e) 2. The copy Module Gets replace() Method A new method for creating modified copies of objects without mutation. try: dp

print("\n✅ Code ready for Python 3.13") Performance Comparison Example import timeit import sys def performance_showcase(): """Compare 3.12 vs 3.13 performance"""

print("✓ Running Python 3.13+")

# Dictionary creation and access dict_setup = """ d = {} for i in range(1000): d[i] = i * 2 """