The third test case of "Balanced Parentheses" which is 100XP in python is hidden and it doesn't give clue attaching my ans below

Question

def balanced(expression):
#your code goes here
l1=[]
for i in expression:
if i == '(':
l1.insert(0,'(')
if i == ')' and len(l1)>0:
l1.pop(0)
if len(l1) == 0:
return True
else:
return False
print(balanced(input()))

Answer 1

())

Answer 2

Ratnesh N. Singh

There is one more condition after second if condition inside loop

elif i == ")" and len(l1) == 0:
return False