随机选人的代码python

### Python Code Example for Randomly Selecting a Person

To achieve random selection of an individual from a predefined list using Python, one can utilize the `random` module which provides various functions to handle random number generation and choice making. Below is a simple yet effective method demonstrating how this could be implemented:

import random

def select_random_person(persons_list):
    """
    Function that selects a single person at random from a given list.
    
    Parameters:
        persons_list (list): A list containing names or identifiers of people.

    Returns:
        str: The name or identifier of the randomly selected person.
    """
    if not persons_list:
        return "List is empty."
        
    chosen_person = random.choice(persons_list)
    return chosen_person


# Example usage
people = ["Alice", "Bob", "Charlie", "Diana"]
print(f"The randomly selected person is {select_random_person(people)}.")

For scenarios where multiple selections without replacement are required—meaning once someone has been picked they cannot be chosen again—the following approach may prove useful:

def select_multiple_people_unique(persons_list, num_selections=1):
    """
    Function that selects unique individuals at random from a provided list until reaching specified count.
    
    Parameters:
        persons_list (list): List with potential candidates' names/identifiers.
        num_selections (int): Number indicating desired quantity of distinct picks; defaults to 1.

    Returns:
        list: Collection holding strings representing uniquely drawn participants.
    """
    if len(persons_list) < num_selections:
        return "Not enough items in the list to fulfill request."

    sampled_individuals = random.sample(persons_list, k=num_selections)
    return sampled_individuals


# Demonstrating functionality by picking three different members out of four available options
selected_members = select_multiple_people_unique(people, 3)
for member in selected_members:
    print(member)