why is int to tuple in python code example

Example: how to convert tuple to int in python

# initialize tuple 
test_tuple = (1, 4, 5) 
  
# printing original tuple  
print("The original tuple : " + str(test_tuple)) 
  
# Convert Tuple to integer 
# Using int() + join() + map() 
res = int(''.join(map(str, test_tuple))) 
  
# printing result 
print("Tuple to integer conversion : " + str(res))