*args: Used when not sure the number of arguments to be passed to a function. e.g. to pass a stored list or tuple of arguments
def show_args(*args): for arg in args: print (arg) show_args('Hello', 'World', 'Python')
Interview Questions
*args: Used when not sure the number of arguments to be passed to a function. e.g. to pass a stored list or tuple of arguments
def show_args(*args): for arg in args: print (arg) show_args('Hello', 'World', 'Python')
In Python List, you can read item one by one means iterate items. So List is iterable. Python iterator object must implement two special methods, __iter__() and __next__(), collectively called the iterator protocol. Most of built-in containers in Python like: list, tuple, string etc. are iterables.
To check foo really is a boolean and of value True, then is operator is used.
To check true-like value like 1, == is used.
in case of if context: 0, False, None, Empty String, Empty containers (List, Tuple, Dictionaries..etc.) are considered as False.
A shallow copy creates a new object but doesn’t create a copy of nested objects, instead it just copies the reference of nested objects.
A deep copy creates a new object and recursively adds the copies of nested objects present in the original elements. It means that any changes made to a copy of object do not reflect in the original object.
copy.copy() function is used for shallow copy and copy.deepcopy() function is used for deep copy.
def main(): # Code to execute if __name__ == "__main__": main()
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