what-to-fill.py

def fibonacci(n: int):                                                                                                                                          
    """Return a fibonacci series upto the argument n"""                                                                                                         
                                                                                                                                                                
    #  As prefix, we provided the function proto, a docstring...                                                                                                            
    #     <codestral will fill in the middle, i.e., the algorithm>                                                                                              
    # ...and the invocation (the suffix)                                                                                                                                   
                                                                                                                                                                
n = int(input('Enter a number: '))                                                                                                                              
print(fibonacci(n))