# Example of improved code that # finds result without redundant computations def function_do_something_v1(numbers): even_numbers = [iforninnumbersifn%2==0] fornineven_numbers: square = n * n returnsquare returnNone# No even square f...
Here, we have used a for..else statement to check if num is prime. It works on the logic that the else clause of the for loop runs if and only if we don't break out the for loop. That condition is met only when no factors are found, which means that the given number is prime...
importscrapy#持续写入importtimeimportrandomimportmathfromCrypto.CipherimportAESimportcodecsimportbase64importrequestsfromlxmlimportetreeimportjsonclassniub:def__init__(self): self.key='0CoJUm6Qyw8W8jud'self.f='00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7b725152b3ab17a876aea8a5aa76d...
然后从www.nostarch.com/crackingcodes下载frankenstein.txt,并将该文件放在与transpositoinfilecipher.py文件相同的文件夹中。按F5运行程序。 换位FileCipher.py 代码语言:javascript 复制 # Transposition Cipher Encrypt/Decrypt File # https://www.nostarch.com/crackingcodes/ (BSD Licensed) import time, os, sy...
GetFieldTypeName(fieldTypeCode) fieldWidth = layerDefinition.GetFieldDefn(i).GetWidth() GetPrecision = layerDefinition.GetFieldDefn(i).GetPrecision() print("字段名:{0} 字段类型:{1} 字段长度:{2} \ 字段精度:{3}".format(fieldName,fieldTypeCode, fieldType,fieldWidth,GetPrecision)) ''' 输出...
check_primes_types = ctypes.CDLL('./ct.so').check_prime # ctypes.CDLL('路径').函数名 def check_prime(x): values = range(2, int(math.sqrt(x))) for i in values: if x % i == 0: return False return True init = time.time() ...
3for value in simple_generator_function(): print(value)输出结果 1 2 3 our_generator = simple_generator_function() next(our_generator)1 next(our_generator) 2 next(our_generator) #3生成器典型的使用场景譬如无限数组的迭代 def get_primes(number): while True: if is_prime(number): yield ...
importsysfromconcurrentimportfutures# ①fromtimeimportperf_counterfromtypingimportNamedTuplefromprimesimportis_prime, NUMBERSclassPrimeResult(NamedTuple):# ②n:intflag:boolelapsed:floatdefcheck(n:int) -> PrimeResult: t0 = perf_counter() res = is_prime(n)returnPrimeResult(n, res, perf_counter() -...
find_prime.py finding LCM.py findlargestno.md folder_size.py four_digit_num_combination.py friday.py ftp_send_receive.py gambler.py gcd.py generate_permutations.py get_crypto_price.py get_info_remoute_srv.py get_likes_on_FB.py get_youtube_view.py google.py googl...
map(is_prime, number_list) return json.dumps(dict(zip(number_list, results))) if __name__ == "__main__": # 必须放在main函数中 process_pool = ProcessPoolExecutor() # 定义全局进程池 Note: 必须放到所有函数的最下面 app.run() """ 多进程,它们之间的环境是完全隔离的,与ThreadPoolExecutor...