Initial commit

Experiment/graph/Exp3/Person.mermaid

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+flowchart TD
+    Start([开始]) --> A[创建Person对象p]
+    A --> B[调用p.addPerson方法]
+    B --> B1[设置IdPerson=123]
+    B1 --> B2["设置Name='John Doe'"]
+    B2 --> B3[设置Sex='M']
+    B3 --> B4[设置Birthday=1990-01-01]
+    B4 --> B5["设置HomeAddress='123 Main St'"]
+    B5 --> C[调用p.showPerson方法]
+    C --> C1[打印IdPerson, Name, Sex, Birthday, HomeAddress]
+    C1 --> End([结束])