print("program to BUILT-IN methods of list \n")
animals=['cat','dog','rabbit']
animals.append('cow')
print("updated animals list:",animals)
language=['python','java','c++','c']
return_value=language.pop(3)
print("updated list:",language)
vowels=['e','a','o','u','i']
vowels.sort()
print("sorted list in asending:",vowels)
vowels.sort(reverse=True)
print("sorted list in desending:",vowels)
vowels=['a','e','i','o','u']
print("updated list:",vowels)
vowels.insert(3,'o')
animals=['cat','dog','rabbit','pig']
animals.remove("rabbit")
print("updated list:",animals)
os=['window','MACos','Linux']
print("original list:",os)
os.reverse()
print("update dlist:",os)




thisdict={"NAME":"Vishal","PLACE":"Sankeshwar","USN":1773245}
print("\n Dictionary content:",thisdict)
x=thisdict["PLACE"]
print("PLACE:",x)
print("\n keys in the dictionary are:",thisdict)
for x in thisdict:
    print(x)
print("\n values in the dictionary are:",thisdict)
for x in thisdict:
    print(thisdict[x])
print("\n both keys and values in the dictionary are:",thisdict)
for x,y in thisdict.items():
    print(x,y)
print("\n total items i the dictionary are:",thisdict)
thisdict["DISTRICT"]="Belagavi"
print("\n added new items is:",thisdict)
thisdict.pop("PLACE")
print("\n after removing the items is:",thisdict)
del thisdict["USN"]
print("\n after deleting the items is:",thisdict)
thisdict.clear()
print("\n empty dictionary:",thisdict)
thisdict={"NAME":"vishal","PLACE":"Sankeshwar","USN":177245}
mydict=thisdict.copy()
print("updated list:",mydict)
      
      

import sqlite3
conn=sqlite3.connect('test.db')
cursor=conn.cursor()
cursor.execute("create table emp3(id integer,name tect)")
cursor.execute("\n insert into emp3(id,name)values(101,'ravi')")
cursor.execute("\n insert into emp3(id,name)values(102,'raju')")
cursor.execute("\n insert into emp3(id,name)values(103,'ramesh')")
print("\n displayng the table")
cursor.execute("select *from emp3")
rows=cursor.fetchall()
for row in rows:
    print(row)
print("\n after update and delete records in the table table")
cursor.execute("\n update emp3 set name='rakesh' where id=101")
cursor.execute("\n delete from emp3 where id=103")
print("\n displayng the table")
cursor.execute("select *from emp3")
rows=cursor.fetchall()
for row in rows:
    print(row)
print("\n table is droped...")
cursor.execute("drop table emp3")
conn.commit()
cursor.close()
conn.close()

               
               
import tkinter as tk
window=tk.Tk()
window=title("MY GUI")
label=tk.label(window,text="This is example for label")
label.pack()
button=tk.Button(window,text="Click me")
button.pack()
chk1=tk.Checkbutton(window,text="python")
chk2=tk.Checkbutton(window,text="java")
chk1.pack()
chk2.pack()
entry=tk.Entry(window,text="")
entry.pack()
window.mainloop()
               
               
try:
    print("TRY BLOCK")
    a=int((input("Enter a:")))
    b=int((input)"Enter b:")))
    c=a/b
Except:
    print("EXCEPT BLOCK")
    print("we cannot divide by zero")
else:
    print("ELSE BLOCK")
    print("The division of a and b is:",c)
    print("NO EXCEPTION")
Finally:
    print("FINALLY BLOCK")
    print("out of except,else and finally block:")
    
    
    
    
    
import matplotlib.pyplot as plt
x=[1,2,3,4,5]
y=[3,2,4,1,5]
plt.plot(x,y)
plt.xlabel('x-axis label')
plt.ylabel('y-axis label')
plt.title('line chart example')
plt.show




import matplotlib.pyplot as plt
x=['a','b','c','d']
y=[3,7,2,5,9]
plt.bar(x,y)
plt.xlabel('x-axis label')
plt.ylabel('y-axis label')
plt.title('vertical bar chart example')
plt.show




import matplotlib.pyplot as mlt
student_performance=["excellent','good','average','poor']
student_values=[15,20,40,10]
mlt.subplot(1,2,1)
mlt.pie(student_values,labels=student_performance,startangle=90,explode=[0.2,0.1,0,0],shadow=True,colors=["violet","indigo","blue","orange"])
                     marks=[90,92,40,0,55,44,30,20,10,54,74,82]
                     grade_interval=[0,35,70,100]
                     mlt.subplot(1,2,2)
                     mlt.title("....STUDENT....GRADE....")
                     mlt.hist(marks,grade_interval,facecolor="cyan",rwidth=0.7,histtype="bar")
                     mlt.xticks([0,35,70,100])
                     mlt.xlabel("P E R C E N T A G E")
                     mlt.ylabel("No.of STUDENTS....")
                     mlt.show()