(cartContents) = chargeCreditCard(cartSummary, cartContents)
A-normal form (ANF)
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第四条 国务院和自然保护区所在地县级以上地方人民政府应当加强对自然保护区建设的统筹协调，完善支持自然保护区建设的政策措施，将自然保护区建设纳入国民经济和社会发展相关规划。
traceback : Traceback (most recent call last):
"That was one about my idol," he told the Birmingham crowd. "And this is one he wrote," he said, launching into a cover of The Beatles' 1968 classic Revolution.