Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Clear category for Remove Brackets by yoichi
import itertools
def is_balanced(a):
while True:
if '()' in a:
a = a.replace('()', '')
elif '[]' in a:
a = a.replace('[]', '')
elif '{}' in a:
a = a.replace('{}', '')
else:
return not a
def remove_brackets(a):
for i in range(len(a)+1):
for c in itertools.combinations(range(len(a)), i):
s = ''.join(v for j, v in enumerate(a) if j not in c)
if is_balanced(s):
return s
Feb. 19, 2019
Comments: