- Lista_A = [['de','do','da','ou'],['ae','ay','yhh','oo'],['ow','pa','la','for']] 
-   
- Lista_A_new  = [] 
-   
- for lista in Lista_A: 
-     Lista_A_new.extend(lista) 
-   
- print(Lista_A_new) #['de', 'do', 'da', 'ou', 'ae', 'ay', 'yhh', 'oo', 'ow', 'pa', 'la', 'for'] 
				TGlzdGFfQSA9IFtbJ2RlJywnZG8nLCdkYScsJ291J10sWydhZScsJ2F5JywneWhoJywnb28nXSxbJ293JywncGEnLCdsYScsJ2ZvciddXQogICAgCkxpc3RhX0FfbmV3ICA9IFtdCgpmb3IgbGlzdGEgaW4gTGlzdGFfQToKICAgIExpc3RhX0FfbmV3LmV4dGVuZChsaXN0YSkKCnByaW50KExpc3RhX0FfbmV3KSAjWydkZScsICdkbycsICdkYScsICdvdScsICdhZScsICdheScsICd5aGgnLCAnb28nLCAnb3cnLCAncGEnLCAnbGEnLCAnZm9yJ10=
				
				
				
				
				
			 
			
				
			
			
				
	
		
		
	
	
		['de', 'do', 'da', 'ou', 'ae', 'ay', 'yhh', 'oo', 'ow', 'pa', 'la', 'for']