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  1. Prepare
  2. Python
  3. Strings
  4. Alphabet Rangoli
  5. Discussions

Alphabet Rangoli

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1399 Discussions

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  • sshreedevids
     + 0 comments

    from string import ascii_lowercase def print_rangoli(size): patterns= list(reversed(ascii_lowercase[:size])) for i in range(1, size+1): print("-".join(patterns[0:i] + list(reversed(patterns[0:i]))[1:]).center((size*2 -1)*2 -1,"-")) for i in range(size-1,0,-1): print("-".join(patterns[0:i] + \ list(reversed(patterns[0:i]))[1:]).center((size*2 -1)*2 -1,"-"))

    if name == 'main': n = int(input()) print_rangoli(n)

  • dwu4tech
     + 0 comments

    def print_rangoli(size): # based on (abs(x) + abs(y) < size) against position of 'a' : (size-1, size*2 -2) alpha='abcdefghijklmnopqrstuvwxyz'

    for i in range(size*2 - 1) : 
      print (''.join([alpha[abs(i-size+1) + int(abs(j-size*2+2)/2)] \
                if abs(j-size*2+2) % 2 ==0 and abs(i-size+1) + abs(j-size*2+2)/2 < size else '-' for j in range(size*4-3)]))

  • teresa_seeth06
     + 0 comments
    width= 2*(2*(size-1)) + 1
str=''
highest_val = 97+size-1
if(size==1):
    print('a')
else:
    for row in range(1,2*size):
        if(row <= size): # top triangle + central line
            substr =''
            for h in range(0,row):
                substr += chr(highest_val-h)+'-'
            rsubstr = substr[::-1] # reverse of the string
            str += (substr + rsubstr[3:]).center(width,'-') +'\n'
        else:
            pass
    bottom_str=str[::-1] # reverse the whole upper triangle string + the middle line str
    str += bottom_str[width+2:] # remove the whole middle line + the newline character
    print(str)

  • neha_singh19aug
     + 0 comments
    import math


def get_char_seq(j, n):
    str1 = ''
    for i in range(1, j + 1):
        str1 += chr(97 + n - i)
    str1 = '-'.join(str1)
    return str1

def get_string(i,size,columns):
        str1 = get_char_seq(i, size)
        str2 = str1[:-2]
        str2 = ''.join(reversed(str2))
        left_dash = ((math.floor(columns / 2) + 1) - len(str1)) * '-'
        right_dash = ((math.floor(columns / 2) - 1) - len(str2)) * '-'
        full_string=left_dash + str1 + '-' + str2 + right_dash
        return full_string
        
def print_rangoli(size):
    # your code goes here
    columns = 4 * size - 3
    if size==1:
        print('a')
    else:
      for i in range(1, size + 1):
        full_string=get_string(i,size,columns)
        print(full_string)
      for i in range(size - 1, 0, -1):
        full_string=get_string(i,size,columns)
        print(full_string)


if __name__ == '__main__':
    n = int(input())
    print_rangoli(n)

  • raajesh_srma
     + 0 comments
    size = 3
alphabets = [chr(i) for i in range(97,97+size)]
alphabets.reverse()
# print(alphabets)

a = [alphabets[0]]
for i in range(1,len(alphabets)+1):
    a.append('-'.join(alphabets[0:i])+'-'+'-'.join(alphabets[0:i+1][::-1]))
# print("{}".format(a)+"->size = "+"{}".format(len(a)))
s = 0
for i in range(size*2-2,0,-2):
    print('-'*i+a[s]+'-'*i)
    s += 1
print(a[s])
for _ in range(size-1):
    print('-'*i+a[s-1]+'-'*i)
    i += 2
    s -= 1