Update Introduction_to_Jarvis.md

Introduction_to_Jarvis.md

@@ -299,21 +299,21 @@ Here we go!
 - The Controller of CtrlExMemFlow_ExtLib calls write_code to write and test the code. Still, we do not provide any more test suites other than checking syntax.
     ```python
     def plot_stock_prices(df):
-    """
-    Plots the 'Close' prices against the dates.
-
-    Parameters:
-    df (pandas.DataFrame): The DataFrame containing the stock data.
-    """
-    import matplotlib.pyplot as plt
-
-    plt.figure(figsize=(10,5))
-    plt.plot(df.index, df['Close'], label='Close Price history') 
-    plt.xlabel('Date')
-    plt.ylabel('Close Price')
-    plt.title('Close Price Trend')
-    plt.legend()
-    plt.show()
+      """
+      Plots the 'Close' prices against the dates.
+  
+      Parameters:
+      df (pandas.DataFrame): The DataFrame containing the stock data.
+      """
+      import matplotlib.pyplot as plt
+  
+      plt.figure(figsize=(10,5))
+      plt.plot(df.index, df['Close'], label='Close Price history') 
+      plt.xlabel('Date')
+      plt.ylabel('Close Price')
+      plt.title('Close Price Trend')
+      plt.legend()
+      plt.show()
     ```
 - The MemoryWritingFlow of ExtendLibrary updates the logs of ExtendLibrary, it records the action of write_code.
 - The MemoryReadingFlow of ExtendLibrary reads in the memory, here, new logs will override the old logs.