age_dict = {
  "Zhang San": 52,
  "Li Si": 19,
  "Wang Wu": 47
}

# 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。并添加Zhao Liu，年龄为29




# 应当为 19
print(age_dict['Zhang San'])

# 应当为 52
print(age_dict['Li Si'])

# 应当为 29
print(age_dict['Zhao Liu'])