Pull Request: Merging 'rename_organise' into 'master' branch

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

@@ -1,21 +1,21 @@
-import pickle
-
-
-def bdelete():
-    # Opening a file & loading it
-    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: "))
-    with open("studrec.dat") as F:
-        rec = []
-        for i in stud:
-            if i[0] == rno:
-                continue
-            rec.append(i)
-        pickle.dump(rec, F)
-
-
-bdelete()
+import pickle
+
+
+def bdelete():
+    # Opening a file & loading it
+    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: "))
+    with open("studrec.dat") as F:
+        rec = []
+        for i in stud:
+            if i[0] == rno:
+                continue
+            rec.append(i)
+        pickle.dump(rec, F)
+
+
+bdelete()

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

@@ -1,23 +1,23 @@
-import pickle
-
-
-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")
-
-        for ch in stud:
-
-            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]
-
-            print(rno, rname, rmark, end="\t")
-
-
-binary_read()
+import pickle
+
+
+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")
+
+        for ch in stud:
+
+            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]
+
+            print(rno, rname, rmark, end="\t")
+
+
+binary_read()

1 File handle/File handle binary/Update a binary file.py → 1_file_handle/File handle binary/Update a binary file.py

@@ -1,33 +1,33 @@
-# Updating records in a binary file
-
-import pickle
-
-
-def update():
-    F = open("class.dat", "rb+")
-    S = pickle.load(F)
-    found = 0
-    rno = int(input("enter the roll number you want to update"))
-    for i in S:
-        if rno == i[0]:
-            print("the currrent name is", i[1])
-            i[1] = input("enter the new name")
-            found = 1
-            break
-
-    if found == 0:
-        print("Record not found")
-
-    else:
-        F.seek(0)
-        pickle.dump(S, F)
-
-    F.close()
-
-
-update()
-
-F = open("class.dat", "rb")
-val = pickle.load(F)
-print(val)
-F.close()
+# Updating records in a binary file
+
+import pickle
+
+
+def update():
+    F = open("class.dat", "rb+")
+    S = pickle.load(F)
+    found = 0
+    rno = int(input("enter the roll number you want to update"))
+    for i in S:
+        if rno == i[0]:
+            print("the currrent name is", i[1])
+            i[1] = input("enter the new name")
+            found = 1
+            break
+
+    if found == 0:
+        print("Record not found")
+
+    else:
+        F.seek(0)
+        pickle.dump(S, F)
+
+    F.close()
+
+
+update()
+
+F = open("class.dat", "rb")
+val = pickle.load(F)
+print(val)
+F.close()

1 File handle/File handle binary/Update a binary file2.py → 1_file_handle/File handle binary/Update a binary file2.py

@@ -1,31 +1,31 @@
-# updating records in a bnary file
-
-import pickle
-
-
-def update():
-    File = open("studrec.dat", "rb+")
-    value = pickle.load(File)
-    found = 0
-    roll = int(input("Enter the roll number of the record"))
-    for i in value:
-        if roll == i[0]:
-            print("current name", i[1])
-            print("current marks", i[2])
-            i[1] = input("Enter the new name")
-            i[2] = int(input("Enter the new marks"))
-            found = 1
-
-    if found == 0:
-        print("Record not found")
-
-    else:
-        pickle.dump(value, File)
-        File.seek(0)
-        newval = pickle.load(File)
-        print(newval)
-
-    File.close()
-
-
-update()
+# updating records in a bnary file
+
+import pickle
+
+
+def update():
+    File = open("studrec.dat", "rb+")
+    value = pickle.load(File)
+    found = 0
+    roll = int(input("Enter the roll number of the record"))
+    for i in value:
+        if roll == i[0]:
+            print("current name", i[1])
+            print("current marks", i[2])
+            i[1] = input("Enter the new name")
+            i[2] = int(input("Enter the new marks"))
+            found = 1
+
+    if found == 0:
+        print("Record not found")
+
+    else:
+        pickle.dump(value, File)
+        File.seek(0)
+        newval = pickle.load(File)
+        print(newval)
+
+    File.close()
+
+
+update()

1 File handle/File handle binary/question 1 (elegible for remedial, top marks).py → 1_file_handle/File handle binary/question 1 (elegible for remedial, top marks).py

@@ -1,77 +1,77 @@
-"""Amit is a monitor of class XII-A and he stored the record of all
-the students of his class in a file named “class.dat”.
-Structure of record is [roll number, name, percentage]. His computer
-teacher has assigned the following duty to Amit
-
-Write a function remcount( ) to count the number of students who need
- remedial class (student who scored less than 40 percent)
-
- 
- """
-# also find no. of children who got top marks
-
-import pickle
-
-F = open("class.dat", "ab")
-list = [
-    [1, "Ramya", 30],
-    [2, "vaishnavi", 60],
-    [3, "anuya", 40],
-    [4, "kamala", 30],
-    [5, "anuraag", 10],
-    [6, "Reshi", 77],
-    [7, "Biancaa.R", 100],
-    [8, "sandhya", 65],
-]
-
-
-pickle.dump(list, F)
-F.close()
-
-
-def remcount():
-    F = open("class.dat", "rb")
-    val = pickle.load(F)
-    count = 0
-
-    for i in val:
-        if i[2] <= 40:
-            print(i, "eligible for remedial")
-            count += 1
-    print("the total number of students are", count)
-    F.close()
-
-
-remcount()
-
-
-def firstmark():
-    F = open("class.dat", "rb")
-    val = pickle.load(F)
-    main = []
-    count = 0
-
-    for i in val:
-        data = i[2]
-        main.append(data)
-
-    top = max(main)
-    print(top, "is the first mark")
-
-    F.seek(0)
-    for i in val:
-        if top == i[2]:
-            print(i)
-            print("congrats")
-            count += 1
-
-    print("the total number of students who secured top marks are", count)
-    F.close()
-
-
-firstmark()
-
-F = open("class.dat", "rb")
-val = pickle.load(F)
-print(val)
-F.close()
+"""Amit is a monitor of class XII-A and he stored the record of all
+the students of his class in a file named “class.dat”.
+Structure of record is [roll number, name, percentage]. His computer
+teacher has assigned the following duty to Amit
+
+Write a function remcount( ) to count the number of students who need
+ remedial class (student who scored less than 40 percent)
+
+
+ """
+# also find no. of children who got top marks
+
+import pickle
+
+F = open("class.dat", "ab")
+list = [
+    [1, "Ramya", 30],
+    [2, "vaishnavi", 60],
+    [3, "anuya", 40],
+    [4, "kamala", 30],
+    [5, "anuraag", 10],
+    [6, "Reshi", 77],
+    [7, "Biancaa.R", 100],
+    [8, "sandhya", 65],
+]
+
+
+pickle.dump(list, F)
+F.close()
+
+
+def remcount():
+    F = open("class.dat", "rb")
+    val = pickle.load(F)
+    count = 0
+
+    for i in val:
+        if i[2] <= 40:
+            print(i, "eligible for remedial")
+            count += 1
+    print("the total number of students are", count)
+    F.close()
+
+
+remcount()
+
+
+def firstmark():
+    F = open("class.dat", "rb")
+    val = pickle.load(F)
+    main = []
+    count = 0
+
+    for i in val:
+        data = i[2]
+        main.append(data)
+
+    top = max(main)
+    print(top, "is the first mark")
+
+    F.seek(0)
+    for i in val:
+        if top == i[2]:
+            print(i)
+            print("congrats")
+            count += 1
+
+    print("the total number of students who secured top marks are", count)
+    F.close()
+
+
+firstmark()
+
+F = open("class.dat", "rb")
+val = pickle.load(F)
+print(val)
+F.close()