检查方程式的平衡括号的程序

def check_balance(expression):
    stack = []
    opening_brackets = ['(', '[', '{']
    closing_brackets = [')', ']', '}']
    
    for char in expression:
        if char in opening_brackets:
            stack.append(char)
        elif char in closing_brackets:
            if len(stack) == 0:
                return False
            top = stack.pop()
            if opening_brackets.index(top) != closing_brackets.index(char):
                return False
    
    return len(stack) == 0

# 测试示例
expression = "(a + b) * [c - {d / e}]"
result = check_balance(expression)
print(result)  # 输出：True