def windchill_table(formula):

    #print header columns
    print("\t", end="")
    for temp in range(-20, 61, 10):
        print(f"{temp}\t", end="")
    print("\n-----------------------------------------------------------------------------")  # Print the dang header and Add a newline after the temperature header

    for v in range(0, 51, 5):
        print(f"{v}\t", end="")  # Print wind speed
        for temp in range(-20, 61, 10): # loop through the temp range to add a value to each cell
            # Calculate windchill using the provided formula
            windchill = 35.74 + 0.6215 * temp - 35.75 * (v ** 0.16) + 0.4275 * temp * (v ** 0.16)
            if v == 0:
                print ("N/A\t", end="") # Print N/A for wind speed 0
            else:
                print(f"{windchill:.2f}\t", end="")  # Print windchill with one decimal place
        print()  # Add a newline after each row of windchill values

def main():
    print("This program computes the windchill index.")
    print("print a table to show the windchill index for a range of temperatures and wind speeds.")
    windchill_table(0)
if __name__ == '__main__':
    main()