[Python] How to use many ands or ors in an if statement [duplicate]

I am making a basic calculator and trying to make this Python code work, it only prioritizes the final if or the first or:

def get_values():
global value1, value2, opperation
while opperation != ("+" or "-" or "*" or "/" or "//"):
value1 = int(input("input value 1:"))
opperation = str(input("the opperator +, -, *, / , or // aka no remainders:"))
value2 = int(input("input value 2:"))
print(opperation)



Tried using many ors or ands with () in the if but it just won't work.

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