# 我们用如下数组存储一些患者的信息
patient_info = [
    ["Zhang San", 52, "M"],
    ["Li Si", 19, "F"],
    ["Wang Wu", 47, "F"],
]

# 检查后发现，张三的年龄和李四的年龄写反了，请将他们调整过来




# 应当为 19
print(patient_info[0][1])

# 应当为 52
print(patient_info[1][1])