Check an element exists in an array/list in Python

inspiring_ppl = ["Mahatma Gandhi", "Mother Teresa", "Paul Coelho", "Bill Gates", "Steve Jobs"]


#raw_input(), print for Python 2.X Version 
#input(), print() for Python 3.X Version 

another_person = input("Enter person Name : ")

if another_person in inspiring_ppl:
    inspiring_ppl.remove(another_person)
else:
    inspiring_ppl.append(another_person)

print(inspiring_ppl)