class Solution: def canSplitArray(self, nums: List[int], m: int) -> bool: @lru_cache def helper(i, j): if j - i <= 1: return True if sum(nums[i + 1: j + 1]) >= m and helper(i + 1, j): return True if sum(nums[i:
方法三:使用numpy库 如果要更加严格地检查输入参数是否为数组,我们可以使用numpy库中的isarray()函数。 importnumpyasnpdefcheck_array(input_param):ifnp.isarray(input_param):returnTrueelse:returnFalse# 测试input_param1=np.array([1,2,3])input_param2=[1,2,3]print(check_array(input_param1))# Tru...
Given a variable, we have to check if a variable is either a Python list, NumPy array, or pandas series. Check whether a given is variable is a Python list, a NumPy array or a Pandas Series For this purpose, you can simply use thetype() methodby providing the varia...
importnumpyasnpdefcheck_numpy_array(var):ifisinstance(var,np.ndarray):print("The variable is a numpy array.")else:print("The variable is not a numpy array.")# 测试样例arr=np.array([1,2,3])check_numpy_array(arr)# 输出:The variable is a numpy array.lst=[1,2,3]check_numpy_array(...
``` # Python script to check the status of a website import requests def check_website_status(url): response = requests.get(url) if response.status_code == 200: # Your code here to handle a successful response else: # Your code here to handle an unsuccessful response ``` 说明: 此...
1#使用__metaclass__(元类)的高级python用法2classSingleton2(type):3def__init__(cls,name,bases,dict):4super(Singleton2,cls).__init__(name,bases,dict)5cls._instance=None6def__call__(cls,*args,**kw):7ifcls._instance is None:8cls._instance=super(Singleton2,cls).__call__(*args,*...
用户在创建好数据仓库集群后使用PyGreSQL第三方库连接到集群,则可以使用Python访问GaussDB(DWS),并进行数据表的各类操作。GaussDB(DWS)集群已绑定弹性IP。已获取GaussDB(DWS)集群的数据库管理员用户名和密码。请注意,由于MD5算法已经被证实存在碰撞可能,已严禁将之用于
Pandas type check # pandas之外怎么check # Ensure the input is either a pandas Series or DataFrame if not isinstance(input_data, (pd.Series, pd.DataFrame)): raise TypeError("Input should be a pandas Series or DataFrame") ### # pandas之内怎么check # df.index if df_...
class CoffeeShop:specialty = 'espresso'def __init__(self, coffee_price):self.coffee_price = coffee_price# instance methoddef make_coffee(self):print(f'Making {self.specialty}for ${self.coffee_price}')# static method @staticmethoddef check_weather():print('Its sunny') # class method@...
def stringCheck(string): flag = True for i in string: if i.isalpha() or i.isdigit(): pass else: flag = False return flag str1 = "Tutorialspoint123" str2 = "Tutorialspoint@123" print("Checking whether",str1,"is alphanumeric") print(stringCheck(str1)) print("Checking whether",str2...