def find_total_turns(total_data, start_point, end_point, total_train):
"""
Take total data and proceeding find the smallest turn.
"""
from routing import Routing
ls_instance = setup_all_lines(total_data)
path = Routing()
path.ls_lines = ls_instance
setup_state(path.all_train_history, total_train, start_point)
return path.find_smallest_turn()
