add .txt to end of file

def sum(a,b)
    return a + b

def sub(a,b):
    return a - b

def mult(a,b):
    return a * b

def div(a,b):
    return a / b

def exp(a,b):
    return a ** b

def mod(a,b):
    return a % b

def conc(a,b):
    return a + str(b)

def returnOne():
    return 1

def returnList():
    return [1,2,3]

def returnString():
    return "Hello"

def returnDictionary():
    return {"key1": 1, "key2": 2}

def returnDictionary():
    return {"key1": 1, "key2": 2}

def returnDictionary():
    return {"key1": 1, "key2": 2}

def returnDictionary():
    return {"key1": 1, "key2": 2}

def returnDictionary():
    return {"key1": 1,