Show labels of tempo and tempo marking

10_show_tempo_part.py

# Function to determine the tempo markings
def tempo_marking_of(tempo):
    for key in markings.keys():
        if tempo >= markings[key][0] and tempo <= markings[key][1]:
            marking = key
            break
        else:
            marking = ''
    return marking

# When scale changes 
def update(*args):
    global scale_var, time_signature, interval_ms, tempo, tempo_label, marking_label
    tempo = scale_var.get()
    interval_ms = int((60/tempo) * (4/time_signature[-1]) * 1000)
    tempo_label['text'] = '{}'.format(tempo)
    marking = tempo_marking_of(tempo)
    marking_label['text'] = '{}'.format(marking)