Question: What is the final value of z when this code runs ? grades = { ' A ' : 9 0 , ' B '

What is the final value of z when this code runs ?
grades ={'A': 90,'B': 80,'C': 70,'D': 60}
my_grade =70
if my_grade not in grades:
z =1
else:
z =2
if 'F' in grades:
z = z +10
else:
z = z +20

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