Question

Python please!

Answer 1

We have that the output that frequency with the next 4 higher key frequencies  is mathematically given as

Output

• 120,127,13,134.8,142,1,151.19

From the question we are told

• On a piano, a key has a frequency, say f0.
• Each higher key (black or white) has a frequency of f0 * rn, where n is the distance (number of keys) from that key, and r is 2(1/12).
• Given an initial key frequency, output that frequency and the next 4 higher key frequencies.

Output each floating-point value with two digits after the decimal point, which can be achieved as follows:

Output and frequency

Generally the code will go as follows

# The key frequency

f0 = float(input())

r = math.pow(2, (1 / 12))

# The frequency, the next 4 higher key f's.

frequency1 = f0 * math.pow(r, 0)

frequency2 = f0 * math.pow(r, 1)

frequency3 = f0 * math.pow(r, 2)

frequency4 = f0 * math.pow(r, 3)

frequency5 = f0 * math.pow(r, 4)

# printing output

print('{:.2f} {:.2f} {:.2f} {:.2f} {:.2f}'.format(frequency1, frequency2, frequency3, frequency4, frequency5))

Therefore

Output

120,127,13,134.8,142,1,151.19

For more information on frequency visit

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