Best Exponential Moving Average x3

// This source code is free to use for all my friends
// © MOHAMAD-KL

//@version=5
indicator(title='Best Exponential Moving Average x3', shorttitle='EMA*3', overlay=true)
len100 = input.int(100, minval=1, title='First')
src100 = input(close, title='Source')
out100 = ta.ema(src100, len100)
plot(out100, title='EMA - 1', color=color.new(#eae5d7, 0), linewidth=3)

len7 = input.int(7, minval=1, title='Second')
src7 = input(open, title='Source')
out7 = ta.ema(src7, len7)
plot(out7, title='EMA - 2', color=color.new(#db0105, 0), linewidth=2)

len8 = input.int(8, minval=1, title='Third')
src8 = input(close, title='Source')
out8 = ta.ema(src8, len7)
plot(out8, title='EMA - 3', color=color.new(#12eb06, 0), linewidth=2)