from datetime import datetime

repeating_time = 10 # time for repeating in seconds
start = datetime.now()

#any_other_function

#input_tour_prices
while(True):
    #any_other_function()
    secs = (datetime.now() - start).total_seconds()
    if secs >= repeating_time :
        # input_tour_prices 
        start = datetime.now()
        print("run input tour prices function...")