added change cgpa

Author: Simon

Artificial Intelligence/change_cgpa.py

@@ -0,0 +1,36 @@
+dic = {}
+fn = 'change_cgpa.txt'
+print("\n")
+f1=open(fn, "r")
+for l in f1:
+        name, dept, cgpa = l.split("\t")
+        dic[name] = [dept, cgpa]
+f1.close
+
+for key, value in dic.items():
+        name, dept, cgpa = key, value[0], value[1]
+        print( name, '\t', dept, '\t', cgpa)
+
+print("\n")
+while True:
+    name = input("Enter the name of whose cgpa you want to change : ")
+    cgpa = str(input("Enter the new cgpa : "))
+    cgpa = cgpa + "\n"
+    dic[name][1] = cgpa
+    ans = input("Do you want more changes(y/n) : ")
+    if ans == 'n':
+        break
+
+f1=open(fn, "w")
+for key, value in dic.items():
+        name, dept, cgpa = key, value[0], value[1]
+        s = name + "\t" + dept + "\t" + cgpa
+        f1.write(s)
+f1.close
+
+print("\n")
+f1=open(fn, "r")
+for l in f1:
+        name, dept, cgpa =l.split("\t")
+        print(name, dept, cgpa, end="\n")
+f1.close

Artificial Intelligence/change_cgpa.txt

@@ -0,0 +1,4 @@
+Rahim	cse	4
+Kahim	cse	4
+Jahim	cse	4
+Dahim	cse	4