#hasattr

Description: Check if an attribute exists. See also: delattr, getattr, setattr

def hasattr(obj, name: str):
    '''
    Check if an attribute exists

    :param obj: An object
    :param name: The name of the attribute
    :return: True if the attribute exists, otherwise False
    '''

Example:

class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age

p = Person("Alice", 30)
print(hasattr(p, 'name'))  # True
print(hasattr(p, 'age'))   # True
print(hasattr(p, 'sex'))   # False
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