#13 Inverted equilateral triangle

n=int(input("Enter Number :"))

#Pattern 13 print('(13)') for i in range (n+1,1,-1) : for j in range (0,n+1-i) : print(end = " ") for j in range (1,i) : print(chr(96+j), end="") for j in range (i,2,-1) : print(chr(96+j),end = "") print() print()

#11 Inverted equilateral triangle without space

n=int(input("Enter Number :"))

#Pattern 11 print('(11)') for i in range (n+1,1,-1) : for j in range (0,n+1-i) : print(end = " ") for j in range (1,i) : print('*', end="") for j in range (i,2,-1) : print('*',end = "") print() print()

#10 Equilateral Triangle without space

n=int(input("Enter Number :"))

#Pattern 10 print('(10)') for i in range (1,n+1) : for j in range (1,n-i+1) : print(end = " ") for j in range (i,0,-1) : print("*", end = "") for j in range (i,1,-1) : print("*", end = "") print() print()