input = input[:index] + chr(char) + input[index:]
Medium difficulty hints, answers for March 1 PipsGreater Than (4): Everything in this space must be greater than 4. The answer is 2-6, placed horizontally.
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Total test duration: PT10.588S | PT9.616S
第三十七条 爆炸性、毒害性、放射性、腐蚀性物质或者传染病病原体等危险物质被盗、被抢或者丢失，未按规定报告的，处五日以下拘留；故意隐瞒不报的，处五日以上十日以下拘留。
extra field per node.