PrudhviVajja

This is a list of most frequently asked coding questions for Amazon SDE roles.

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Merge K sorted lists

Leetcode Link

def mergeKLists(self, lists: List[ListNode]) -> ListNode:

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def func_name_printer(func):
    def wrapper(*args):
        print("Function that started running is " + func.__name__)
        func(*args)
    return wrapper

def add(*args):
    tot_sum = 0
    for arg in args:
        tot_sum += arg

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def func_name_printer(func):
    def wrapper(*args):
        print("Function that started running is " + func.__name__)
        func(*args)
    return wrapper

@func_name_printer
def add(*args):
    tot_sum = 0
    for arg in args:

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from functools import wraps

def func_name_printer(func):
    @wraps(func)
    def wrapper(*args):
        """Prints the Name of the function.
        """
        print("Function that started running is " + func.__name__)
        result = func(*args)
        return result # Extra Return 

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from functools import wraps
import time

def timeit(func):
    @wraps(func)
    def wrapper(*args, **kwargs):
        print("Tracking function: " + func.__name__ + "()")
        start = time.time()
        func(*args, **kwargs)
        end = time.time()

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class Datatypes():
    def __init__(self, *args):
        self.args = list(args[0])
        
    def __call__(self):
        print(self.args)

    @classmethod
    def from_list(cls, arglist):
        args = tuple(arglist)

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class Storage:
    """ 
    MaxLimit of storage is 100
    """
    def __init__(self, maxlimit=0):
        self.limit = 100
        self.maxlimit = maxlimit
    
    @property    
    def maxlimit(self):

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class Multiply:
   def __init__(self, numbers):
        self.numbers = numbers
    
    def __call__(self):
        print(f"multiply {self.numbers}")
        self.checker(self.numbers)
        self.result = 1
        for num in self.numbers:
            self.result *= num