def fibonacciSeries(x: int)-> None:
    """
    This function prints the fibonacci series upto `x` terms specified by the user.
    
    Args:
    This function takes exactly one argument.


    `x: int` : x should be an integer which specifies the range upto which the fibonacci series will be generated.
    """
    a= 0
    b=1
    list1 = []
    list1.extend([a,b])
    for i in range(0, x-2):
        c = a+b
        a = b
        b = c
        list1.append(c)

    print("The fibonacci series upto {} is:".format(x))
    print(*list1,sep=", ")
    
    return None