# Write a Python program to Consecutive Kth column Difference in Tuple List 
 # Python3 code to demonstrate working of 
# Consecutive Kth column Difference in Tuple List
# Using loop
  
# initializing list
test_list = [(5, 4, 2), (1, 3, 4), (5, 7, 8), (7, 4, 3)]
  
# printing original list
print("The original list is : " + str(test_list))
  
# initializing K 
K = 1 
  
res = []
for idx in range(0, len(test_list) - 1):
  
    # getting difference using abs()
    res.append(abs(test_list[idx][K] - test_list[idx + 1][K]))
      
# printing result 
print("Resultant tuple list : " + str(res))