万能的Python代码实例

def bubble_sort(arr):
    n = len(arr)
    for i in range(n):
        for j in range(0, n - i - 1):
            if arr[j] > arr[j + 1]:
                arr[j], arr[j + 1] = arr[j + 1], arr[j]

def main():
    arr = [64, 34, 25, 12, 22, 11, 90]
    print("原始数组：")
    print(arr)

    bubble_sort(arr)
    print("排序后的数组：")
    print(arr)

main()

import random

def get_user_choice():
    print("请输入你的选择：")
    print("1. 石头")
    print("2. 剪刀")
    print("3. 布")
    choice = int(input("请选择（1/2/3）: "))
    return choice

def get_computer_choice():
    return random.randint(1, 3)

def determine_winner(user, computer):
    if user == computer:
        return "平局"
    elif (user == 1 and computer == 2) or (user == 2 and computer == 3) or (user == 3 and computer == 1):
        return "用户赢了"
    else:
        return "电脑赢了"

def main():
    print("欢迎来到石头、剪刀、布游戏！")
    user_choice = get_user_choice()
    computer_choice = get_computer_choice()
    print("电脑选择了:", computer_choice)
    result = determine_winner(user_choice, computer_choice)
    print("结果:", result)

main()

def intro():
    print("欢迎来到文本冒险游戏！")
    print("在这个游戏中，你将扮演一个勇敢的英雄，探索一个危机四伏的世界。")
    print("你的决定将决定你的命运。祝你好运！")
    print()

def choose_path():
    print("你站在一个分叉路口。你可以选择向左走，也可以选择向右走。")
    path = input("你要走哪条路？(左/右): ").lower()

    if path == "左":
        print("你选择了向左走。你遇到了一头狮子！")
        lion_encounter()
    elif path == "右":
        print("你选择了向右走。你发现了一个宝箱！")
        treasure_chest()
    else:
        print("无效的输入。请重新输入。")
        choose_path()

def lion_encounter():
    print("狮子看起来很饿，它向你扑来。")
    action = input("你要做什么？(战斗/逃跑): ").lower()

    if action == "战斗":
        print("你勇敢地与狮子战斗，最终成功击败了它。你继续前进。")
        treasure_chest()
    elif action == "逃跑":
        print("你试图逃跑，但狮子追上了你，将你杀死了。游戏结束。")
    else:
        print("无效的输入。请重新输入。")
        lion_encounter()

def treasure_chest():
    print("你找到了一个宝箱，里面装满了金币和珠宝。恭喜你赢得了游戏！")

intro()
choose_path()

import numpy as np
import matplotlib.pyplot as plt

t = np.linspace(0, 2 * np.pi, 1000)
x = 16 * np.sin(t) ** 3
y = 13 * np.cos(t) - 5 * np.cos(2 * t) - 2 * np.cos(3 * t) - np.cos(4 * t)

plt.plot(x, y, color='red')
plt.axis('equal')
plt.axis('off')
plt.show()

import matplotlib.pyplot as plt
import numpy as np
from matplotlib.animation import FuncAnimation

# Set up the figure, the axis, and the plot element
fig, ax = plt.subplots()
x = np.linspace(0, 2*np.pi, 200)
line, = ax.plot(x, np.sin(x))

def animate(i):
    line.set_ydata(np.sin(x + i / 10))  # update the data
    return line,

# Create an animation
ani = FuncAnimation(fig, animate, frames=100, interval=20, blit=True)

plt.show()

import matplotlib.pyplot as plt
import random

# Number of steps
n = 1000

# X and Y coordinates
x = [0]
y = [0]

# Creating the random walk
for i in range(1, n):
    step_x = x[i - 1] + random.choice([-1, 1])
    step_y = y[i - 1] + random.choice([-1, 1])
    x.append(step_x)
    y.append(step_y)

# Plotting the random walk
plt.plot(x, y)
plt.title("2D Random Walk")
plt.xlabel("X Axis")
plt.ylabel("Y Axis")
plt.show()