整理了适合新手的20个Python练手小程序 含代码

好的，以下是适合新手的20个Python练手小程序的代码实现：

1. 猜数字游戏

import random

number = random.randint(1, 100)
guess = int(input("Guess a number between 1 and 100: "))

while guess != number:
    if guess < number:
        print("Too low!")
    else:
        print("Too high!")
    guess = int(input("Guess again: "))

print("You guessed it! The number was", number)

2. 石头、剪子、布游戏

import random

options = ["rock", "paper", "scissors"]

player = input("Choose rock, paper, or scissors: ")
computer = random.choice(options)

print("You chose", player)
print("The computer chose", computer)

if player == computer:
    print("It's a tie!")
elif player == "rock" and computer == "scissors":
    print("You win!")
elif player == "paper" and computer == "rock":
    print("You win!")
elif player == "scissors" and computer == "paper":
    print("You win!")
else:
    print("Computer wins!")

3. 打印九九乘法表

for i in range(1, 10):
    for j in range(1, 10):
        print(i, "*", j, "=", i*j)
    print()

4. 计算器小程序

num1 = float(input("Enter first number: "))
operator = input("Enter operator (+, -, *, /): ")
num2 = float(input("Enter second number: "))

if operator == "+":
    print(num1 + num2)
elif operator == "-":
    print(num1 - num2)
elif operator == "*":
    print(num1 * num2)
elif operator == "/":
    print(num1 / num2)
else:
    print("Invalid operator")

5. 猜单词游戏

import random

words = ["apple", "banana", "orange", "grape", "watermelon"]
word = random.choice(words)

print("Guess the word!")
guess = input("Enter your guess: ")

while guess != word:
    print("Wrong! Try again.")
    guess = input("Enter your guess: ")

print("You guessed it! The word was", word)

6. 简单的文本编辑器

filename = input("Enter filename: ")

try:
    with open(filename, "r") as file:
        contents = file.read()
except FileNotFoundError:
    contents = ""

new_contents = input("Enter new contents: ")

with open(filename, "w") as file:
    file.write(new_contents)

7. 文件拷贝小工具

import shutil

source = input("Enter source filename: ")
destination = input("Enter destination filename: ")

shutil.copy(source, destination)

8. 网络爬虫小程序

import requests
from bs4 import BeautifulSoup

url = input("Enter URL: ")
response = requests.get(url)
soup = BeautifulSoup(response.content, "html.parser")

for link in soup.find_all("a"):
    print(link.get("href"))

9. 简单的日历应用程序

import calendar

year = int(input("Enter year: "))
month = int(input("Enter month: "))

print(calendar.month(year, month))

10. 命令行版的日程管理器

schedule = {}

while True:
    command = input("Enter command (add, view, quit): ")
    
    if command == "quit":
        break
    elif command == "add":
        date = input("Enter date (YYYY-MM-DD): ")
        event = input("Enter event: ")
        schedule[date] = event
    elif command == "view":
        for date, event in schedule.items():
            print(date, event)
    else:
        print("Invalid command")

11. 电子邮件客户端

import smtplib

sender = input("Enter sender email: ")
password = input("Enter sender password: ")
recipient = input("Enter recipient email: ")
subject = input("Enter email subject: ")
body = input("Enter email body: ")

message = f"Subject: {subject}\n\n{body}"

server = smtplib.SMTP("smtp.gmail.com", 587)
server.starttls()
server.login(sender, password)
server.sendmail(sender, recipient, message)
server.quit()

12. 音乐播放器

import pygame

pygame.init()

file = input("Enter filename: ")
pygame.mixer.music.load(file)
pygame.mixer.music.play()

while pygame.mixer.music.get_busy():
    pygame.time.Clock().tick(10)

13. 生成随机密码

import random
import string

length = int(input("Enter password length: "))
characters = string.ascii_letters + string.digits + string.punctuation

password = "".join(random.choice(characters) for i in range(length))
print(password)

14. 生成随机验证码

import random
import string

length = 6
characters = string.ascii_uppercase + string.digits

code = "".join(random.choice(characters) for i in range(length))
print(code)

15. 生成随机数序列

import random

length = int(input("Enter sequence length: "))
numbers = [random.randint(1, 100) for i in range(length)]

print(numbers)

16. 图片转换小工具

from PIL import Image

filename = input("Enter filename: ")
image = Image.open(filename)

new_filename = input("Enter new filename: ")
image.save(new_filename)

17. 图片压缩小工具

from PIL import Image

filename = input("Enter filename: ")
image = Image.open(filename)

quality = int(input("Enter quality (1-100): "))
new_filename = input("Enter new filename: ")
image.save(new_filename, optimize=True, quality=quality)

18. 生成条形码和二维码

import barcode
from barcode.writer import ImageWriter
from qrcode import QRCode, constants
from qrcode.exceptions import DataOverflow

data = input("Enter data: ")
barcode_type = input("Enter barcode type (EAN13, Code128): ")

if barcode_type == "EAN13":
    barcode_class = barcode.get_barcode_class("ean13")
elif barcode_type == "Code128":
    barcode_class = barcode.get_barcode_class("code128")
else:
    print("Invalid barcode type")

barcode_image = barcode_class(data, writer=ImageWriter())
barcode_image.save("barcode")

qr_code = QRCode(version=None, error_correction=constants.ERROR_CORRECT_L, box_size=10, border=4)
try:
    qr_code.add_data(data)
    qr_code.make(fit=True)
    qr_code_image = qr_code.make_image(fill_color="black", back_color="white")
    qr_code_image.save("qr_code")
except DataOverflow:
    print("Data too long for QR code")

19. 短信发送小工具

import requests

url = "https://api.twilio.com/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Messages.json"
account_sid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
auth_token = "your_auth_token"

from_number = input("Enter from number: ")
to_number = input("Enter to number: ")
message_body = input("Enter message body: ")

payload = {"To": to_number, "From": from_number, "Body": message_body}
response = requests.post(url, auth=(account_sid, auth_token), data=payload)
print(response.text)

20. 网络图片下载工具

import requests

url = input("Enter URL: ")
filename = input("Enter filename: ")

response = requests.get(url)
with open(filename, "wb") as file:
    file.write(response.content)