Created
September 25, 2017 05:46
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def print_rangoli(size): | |
ascii_lowercase = 'abcdefghijklmnopqrstuvwxyz' # from string import ascii_lowercase | |
width = size*4-3 | |
chars = ascii_lowercase[:size] | |
#for line in range(1,size+1): | |
# line_chars = chars[size-1:size-line:-1] + chars[-line:] | |
# print(('-'.join(line_chars)).center(width, '-')) | |
#for line in reversed(range(1,size)): | |
# line_chars = chars[size-1:size-line:-1] + chars[-line:] | |
# print(('-'.join(line_chars)).center(width, '-')) | |
#lines = [None] * (size*2-1) | |
#for i in range(size): | |
# lines[size+i-1] = chars[i:][:0:-1] + chars[i:] | |
#lines[:size-1] = lines[:size-1:-1] | |
#print(*[('-'.join(line)).center(width, '-') for line in lines], sep='\n') | |
#lines = [None] * (size*2-1) | |
#lines[size-1:] = [chars[i:][:0:-1] + chars[i:] for i in range(size)] | |
#lines[:size-1] = lines[:size-1:-1] | |
#print(*[('-'.join(line)).center(width, '-') for line in lines], sep='\n') | |
#lines = [None] * (size*2-1) | |
#lines[:size] = [chars[size-1-i:][:0:-1] + chars[size-1-i:] for i in range(size)] | |
#lines[size:] = lines[size-2::-1] | |
#print(*[('-'.join(line)).center(width, '-') for line in lines], sep='\n') | |
#from itertools import chain | |
#lines = (chars[size-1-i:][:0:-1] + chars[size-1-i:] for i in chain(range(size), range(size-2,-1,-1))) | |
#print(*[('-'.join(line)).center(width, '-') for line in lines], sep='\n') | |
#lines = (chars[size-1-i:][:0:-1] + chars[size-1-i:] for j in (range(size), range(size-2,-1,-1)) for i in j) | |
#print(*[('-'.join(line)).center(width, '-') for line in lines], sep='\n') | |
#print(*[('-'.join(line)).center(width, '-') for line in (chars[size-1-i:][:0:-1] + chars[size-1-i:] for j in (range(size), range(size-2,-1,-1)) for i in j)], sep='\n') | |
print(*[('-'.join(chars[size-1-i:][:0:-1] + chars[size-1-i:])).center(width, '-') for j in (range(size), range(size-2,-1,-1)) for i in j], sep='\n') | |
if __name__ == '__main__': | |
n = int(input()) | |
print_rangoli(n) |
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