# Python 3.x code to demonstrate ABCD.. pattern 

def alphapat(n): 

      

    # initializing value corresponding to 'A'  

    # ASCII value 

    num = 65

  

    # outer loop to handle number of rows 

    # 5 in this case 

    for i in range(0, n): 

      

        # inner loop to handle number of columns 

        # values changing acc. to outer loop 

        for j in range(0, i+1): 

          

            # explicitely converting to char 

            ch = chr(num) 

          

            # printing char value  

            print(ch, end=" ") 

      

        # incrementing number 

        num = num + 1

      

        # ending line after each row 

        print("\r") 

  
# Driver Code 

n = 5
alphapat(n)