[DevoxxFR2014] Pattern detection
consec_count = sum(1 for i in range(4) if nums[i+1] == nums[i] + 1)
arith_prog = sum(1 for i in range(3) if nums[i+2] - nums[i+1] == nums[i+1] - nums[i])
max_gap = max(nums[i+1] - nums[i] for i in range(4))
min_gap = min(nums[i+1] - nums[i] for i in range(4))