Logicalprog

Mr. Vincent works in a door mat manufacturing company. One day, he designed a new door mat with the following specifications: Mat size must be  X . (  is an odd natural number, and   is   times  .) The design should have 'WELCOME' written in the center. The design pattern should only use  | ,  .  and  -  characters. Sample Designs Size: 7 x 21 --------- . | . --------- ------ . | .. | .. | . ------ --- . | .. | .. | .. | .. | . --- ------- WELCOME ------- --- . | .. | .. | .. | .. | . --- ------ . | .. | .. | . ------ --------- . | . --------- Size: 11 x 33 --------------- . | . --------------- ------------ . | .. | .. | . ------------ --------- . | .. | .. | .. | .. | . --------- ------ . | .. | .. | .. | .. | .. | .. | . ------ --- . | .. | .. | .. | .. | .. | .. | .. | .. | . --- ------------- WELCOME ------------- --- ...

Reverse a list: a=[1,9,7,3,8,6] #list a.reverse() print(a) #reverse list Output : [6,8,3,7,9,1]   Lower case to Upper: lines = [] while True : var = str(input()) if var: lines.append(var.upper()) else : break; for i in lines: print (i)   Output: hello world HELLO WORLD