20个有趣的Python代码,让你从入门到精通!

pythonfor i in range(1,10):for j in range(1,i+1):print(f"{j}x{i}={i*j}", end="\t") print()

pythonimport randomnumber = random.randint(1,100)guess = int(input("猜一个1到100的数字:")) while guess != number:if guess < number:print("太小了!") else:print("太大了!")guess = int(input("再猜一次:")) print("恭喜你，猜对了!")

pythondef fibonacci(n):a，b = 0，1for _ in range(n):print(a, end="") a，b = b，a+bfibonacci(10)

pythonimport random import stringdef generate_password(length=8):chars = string.ascii_letters + string.digits + string.punctuation return ''.join(random.choice(chars) for _ in range(length)) print(generate_password(12))

pythonimport timefor i in range(10，0，-1):print(i)time.sleep(1) print("时间到!")

pythonimport randomwords = ["Python"，"is"，"fun"， "and"，"easy"， "to", "learn"] sentence = ''.join(random.sample(words，k=len(words))) print(sentence)

pythonmy_list = [1,2，2，3，4，4，5] unique_list = list(set(my_list)) print(unique_list)

pythonimport qrcodeimg = qrcode.make( "https://www.python.org") img.save("python_qr.png")

pythonmy_list = [3，1，4，1，5，9，2，6，5] my_list.sort() print(my_list)

pythonimport random def random_ip():return ".".join(str(random.randint(0，255)) for _ in range(4)) print(random_ip())

pythonimport math def lcm(a，b):return abs(a * b) // math.gcd(a,b) print(lcm(12,18))

pythonimport mathprint(math.gcd(48,18))

pythontext = "Hello, Python!" vowels = "aeiouAEIOU"count = sum(1 for char in text if char in vowels) print(count)

pythonimport randomfirst_names = ["Alice"，"Bob"，"Charlie","David"]last_names = ["Smith"，"Johnson"， "Williams", "Brown"]full_name = random.choice(first_names) +""+ random.choice(last_names) print(full_name)

pythonfrom collections import Countertext = "hello world hello python world" word_count = Counter(text.split())) print(word_count)

pythonmy_list = [1,2，3，4，5]average = sum(my_list) / len(my_list) print(average)

pythonimport randomdef random_color():return "#{:06x}".format(random.randint(0，0xFFFFFF)) print(random_color())

pythondef is_prime(n):if n <= 1:return Falsefor i in range(2,int(n**0.5)+ 1):if n % i == 0:return Falsereturn Trueprint(is_prime(29))

pythondef factorial(n):return 1 if n == 0 else n *factorial(n-1) print(factorial(5))