import math

mu = 175     # mean height in cm
sigma = 7    # standard deviation in cm
x = 175      # the point we're evaluating (the mean itself)

pdf = (1 / (sigma * math.sqrt(2 * math.pi))) * math.exp(-((x - mu) ** 2) / (2 * sigma ** 2))
print(f"f({x}) = {pdf:.4f}")  # about 0.0570, the peak density of the curve