Trying to understand nested loops

[ojomooluwatolami675 at gmail.com]

Hello, I’m new to learning python and I stumbled upon a question nested loops. This is the question below. Can you please how they arrived at 9 as the answer. Thanks 

var = 0
for i in range(3):
  for j in range(-2,-7,-2):
    var += 1
     print(var)

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