Python Course

Author: Brar21

File.py

@@ -37,4 +37,18 @@
   # Now add other text in file "mydata.txt" with appending "a" i=use in ".open()" function
 Addtext=open('mydata.txt','a')
 done= Addtext.write('file is create with this we can add as much as data we want to write in this file using ".open(file_name,"a") than you can append data.')  
-Addtext.close()#after this our file is updated you can check in that file.
+Addtext.close()#after this our file is updated you can check in that file.
+
+
+# It is dificult to remember to close function every time
+# you can tackle this with below shown syntax:
+
+with open('mydata.txt','r') as f:
+ a=f.read()
+ print(a)# now need to close this function
+  #for write file with this syntax:
+
+with open('mydata.txt','a') as f:
+         a=f.write("now close function tension finish")
+         print(a)
+              

README.md

@@ -541,4 +541,19 @@
                letFile= open("mydata.txt",'a') 
                Details= letFile.write("Make this file with name mydata")
                letFile.close()
-           ```   
+           ```   
+
+        # Context for auto-close
+         **You can both thing read and write with this syntax**
+          1. to read file with this syntax:
+            ```
+                with open('mydata.txt','r') as f:
+                         a=f.read()
+                         print(a)
+            ```
+          2. to write file with this syntax: 
+            ```
+                with open('mydata.txt','a') as f:
+                         a=f.write()
+                         print(a)
+            ```

mydata.txt

@@ -1 +1 @@
-Make this file with name mydatafile is create with this we can add as much as data we want to write in this file using ".open(file_name,"a") than you can append data.
+Make this file with name mydatafile is create with this we can add as much as data we want to write in this file using ".open(file_name,"a") than you can append data.now close function tension finish