# Exercise 3.3 # Pyfml course # Name : Quach Chi Cuong # Glot.io : http://coolaf.com/run/snippets/eiljlbotls # Requirement : viet chuong trinh loai bo phan mo rong cua 1 ten file bat ky # input = '....slsslslsls...sls' # output = '....slsslslsls..' # input = 'maria.ozawa.mp9' # output = 'maria.ozawa' # Khoi tao chuoi input dau vao input = 'maria.ozawa.mp9' # Bien kiem tra dieu kien dau '.' phat hien lan dau tien. count=0 # Chay vong lap for range tu -1 den length cua input -1. for index in range(-1, -len(input)-1, -1): # Phat hien ra dau '.' khi chay tu sau duoi chuoi vao, -> ten file co phan mo rong. if input[index] == '.': if count == 0: position=index count = 1 print('Input = \'',input,'\'\nOutput = \'',input[:position],'\'') break if count == 0: print('- Input \'',input,'\' khong co phan mo rong.')