fixed naming convention

Fixed naming convention for adhere to PIP-8

Author: akjroller

1 File handle/File handle binary/Deleting record in a binary file.py

@@ -1,24 +1,21 @@
 import pickle
 
 
-def Bdelete():
+def bdelete():
     # Opening a file & loading it
-    F = open("studrec.dat", "rb")
-    stud = pickle.load(F)
-    F.close()
-
-    print(stud)
+    with open("studrec.dat") as F:
+        stud = pickle.load(F)
+        print(stud)
 
     # Deleting the Roll no. entered by user
     rno = int(input("Enter the Roll no. to be deleted: "))
-    F = open("studrec.dat", "wb")
-    rec = []
-    for i in stud:
-        if i[0] == rno:
-            continue
-        rec.append(i)
-    pickle.dump(rec, F)
-    F.close()
+    with open("studrec.dat") as F:
+        rec = []
+        for i in stud:
+            if i[0] == rno:
+                continue
+            rec.append(i)
+        pickle.dump(rec, F)
 
 
-Bdelete()
+bdelete()

1 File handle/File handle binary/File handle binary read (record in non list form).py

@@ -1,25 +1,23 @@
 import pickle
 
 
-def binaryread():
-    B = open("studrec.dat", "rb")
-    stud = pickle.load(B)
-    print(stud)
+def binary_read():
+    with open("studrec.dat") as b:
+        stud = pickle.load(b)
+        print(stud)
 
-    # prints the whole record in nested list format
-    print("contents of binary file")
+        # prints the whole record in nested list format
+        print("contents of binary file")
 
-    for ch in stud:
+        for ch in stud:
 
-        print(ch)  # prints one of the chosen rec in list
+            print(ch)  # prints one of the chosen rec in list
 
-        Rno = ch[0]
-        Rname = ch[1]  # due to unpacking the val not printed in list format
-        Rmark = ch[2]
+            rno = ch[0]
+            rname = ch[1]  # due to unpacking the val not printed in list format
+            rmark = ch[2]
 
-        print(Rno, Rname, Rmark, end="\t")
+            print(rno, rname, rmark, end="\t")
 
-        B.close
 
-
-binaryread()
+binary_read()