Write a python function to check whether the elements in a list are same or not.
def chkList(lst): 
    return len(set(lst)) == 1
<s>[INST]<<SYS>>Given a task and its code, generate test cases for the code.<</SYS>>Write a python function to check whether the elements in a list are same or not.
def chkList(lst): 
    return len(set(lst)) == 1[/INST]assert chkList(['one','one','one']) == True
assert chkList(['one','Two','Three']) == False
assert chkList(['bigdata','python','Django']) == False</s>