def test_dateentry_init(self):
widget = DateEntry(self.window, width=12, background='darkblue',
foreground='white', borderwidth=2)
widget.pack()
self.window.update()
widget.destroy()
widget = DateEntry(self.window, year=2012)
widget.pack()
self.window.update()
widget.destroy()
def test_dateentry_init(self):
widget = DateEntry(self.window, width=12, background='darkblue',
foreground='white', borderwidth=2, justify='center',
style='my.DateEntry')
widget.pack()
self.window.update()
widget.destroy()
widget = DateEntry(self.window, year=2012)
widget.pack()
self.window.update()
widget.destroy()
widget = DateEntry(self.window, year=2012, day=32)
self.window.update()
self.assertEqual(widget.get_date(), date.today())
class UpdateStudent(Toplevel):
updater = 0
def backf(self, event=""):
self.destroy()
self.root.deiconify()
def c_w(self, event=""):
m = messagebox.askyesno("School Software", "Are you Want to Close Application?", parent=self.root)
if m > 0:
query4 = "update staff set currentuser = 0 where currentuser = 1;"
self.conn.execute(query4)
self.conn.commit()
self.main_root.destroy()
else:
return
def start(self):
self.updater = 0
self.stds = StringVar()
self.stds.set("Select Standard")
self.rno = StringVar()
self.rno.set("Select Roll number")
self.caste = StringVar()
self.category = StringVar()
self.bloodg = StringVar()
self.dob = StringVar()
self.grno = StringVar()
self.rollno = StringVar()
self.std = StringVar()
# self.div = StringVar()
self.fname = StringVar()
self.mname = StringVar()
self.lname = StringVar()
self.address = StringVar()
self.phnos = StringVar()
self.phnop = StringVar()
self.email = StringVar()
self.poadd = StringVar()
self.pophno = StringVar()
self.fee = StringVar()
print(self.stds.get())
text = Label(self.lf2, text="Select Standard : ", bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=50, y=10, height=25)
self.stdchoosen = Combobox(self.lf2, state="readonly", textvariable=self.stds, font=(self.f1, 10))
self.stdchoosen.place(x=250, y=10, height=25, width=200)
self.stdchoosen['values'] = self.getStd()
self.stdchoosen.bind("<<ComboboxSelected>>", self.nextStep)
# ========================================================validation function============================================================
def validNumber(self, s):
Pattern = re.compile("(0/91)?[6-9][0-9]{9}")
return Pattern.match(s)
def validEmail(self, s):
Pattern = re.compile("^[a-z0-9]+[\._]?[a-z0-9]+[@]\w+[.]\w{2,3}$")
return Pattern.match(s)
def validName(self, s):
Pattern = re.compile("([A-Za-z]+)*$")
return Pattern.match(s)
def validRollno(self, s):
Pattern = re.compile("^[0-9]*$")
return Pattern.match(s)
def validDivision(self, s):
Pattern = re.compile("([A-Za-z]+)*$")
return Pattern.match(s)
def validFee(self, s):
Pattern = re.compile("^[0-9]*$")
return Pattern.match(s)
# ========================================================to Update record============================================================
def UpdateVaribleIntoTable(self, fname, mname, lname, address, phnos, phnop, email, poadd, pophno, fees, dob,
category, bloodg, caste, grno):
try:
sqliteConnection = sqlite3.connect('sinfo.db')
cursor = sqliteConnection.cursor()
print("Connected to SQLite")
sqlite_update = """UPDATE master SET fname = ?, mname = ?, lname = ?, address = ?, student_phno = ?, parents_phno = ?, email = ?, parent_office_address = ?, parents_office_phno = ?, fee = ?, date_of_birth = ?, category = ?, blood_group = ?, cast = ? WHERE grno = ?;"""
data_tuple = (
fname, mname, lname, address, phnos, phnop, email, poadd, pophno, fees, dob, category, bloodg, caste, grno)
cursor.execute(sqlite_update, data_tuple)
sqliteConnection.commit()
print("Python Variables Updated successfully into detail table")
messagebox.showinfo('Successfully done', 'Entry is done in database')
self.updater = 1
cursor.close()
except sqlite3.Error as error:
print("update")
print("Failed to insert Python variable into sqlite table", error)
finally:
if (sqliteConnection):
sqliteConnection.close()
print("The SQLite connection is closed")
# ==========================================================to check validation==========================================================
def submitvalue(self):
self.dob = str(self.dobentry.get_date())
self.address = self.addressentry.get(1.0, END)
self.poadd = self.poaddentry.get(1.0, END)
try:
if (len(self.address) != 1):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter address")
return
try:
if (len(self.poadd) != 1):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter parent office address")
return
"""try:
if self.category.get() != "Select Category":
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please select category")
return"""
try:
if self.caste.get() != "":
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter caste")
self.casteentry.focus_set()
return
"""try:
if self.dobentry.get_date() != self.today_date:
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please select date of birth")
return"""
"""try:
if self.bloodg.get() != "Select Blood Group":
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please select blood group")
return"""
"""try:
if ((self.std.get() != "") and (int(self.std.get()) >= 1) and (int(self.std.get()) <= 12)):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter valid standard")
self.stdentry.focus_set()
return"""
try:
if ((self.validFee(self.fee.get())) and (self.fee.get() != "")):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter valid fee")
self.feesentry.focus_set()
return
try:
if ((self.validName(self.fname.get())) and (self.fname.get() != "")):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter valid first name")
self.fnameentry.focus_set()
return
try:
if ((self.validName(self.mname.get())) and (self.mname.get() != "")):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter valid middle name")
self.mnameentry.focus_set()
return
try:
if ((self.validName(self.lname.get())) and (self.lname.get() != "")):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter valid last name")
self.lnameentry.focus_set()
return
"""try:
if (self.medium.get() != "Select Medium"):
pass
else:
raise ValueError
except:
messagebox.showerror('Error', 'please select medium but select medium after entering standard')
return"""
try:
if ((self.validNumber(self.phnos.get())) and (len(self.phnos.get()) == 10)):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter valid student phone number")
self.phnosentry.focus_set()
return
try:
if ((self.validNumber(self.phnop.get())) and (len(self.phnop.get()) == 10)):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter valid parent phone number")
self.phnopentry.focus_set()
return
try:
if ((self.validNumber(self.pophno.get())) and (len(self.pophno.get()) == 10)):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter valid parent office phone number")
self.pophnoentry.focus_set()
return
try:
if (self.validEmail(self.email.get())):
pass
else:
raise ValueError
except:
messagebox.showerror("School Software", "Please enter valid email address")
self.emailentry.focus_set()
return
"""if (self.validNumber(self.phnop.get()) and self.validNumber(self.phnos.get()) and self.validNumber(
self.pophno.get()) and (len(self.phnos.get()) == 10) and (len(self.phnop.get()) == 10) and (
len(self.pophno.get()) == 10)):
if (self.validEmail(self.email.get())):
if (self.validName(self.fname.get()) and self.validName(self.mname.get()) and self.validName(
self.lname.get()) and (self.fname.get() != "") and (self.mname.get() != "") and (
self.lname.get() != "")):
if ((self.fee.get() != "") and self.validFee(self.fee.get())):"""
self.grn = str(self.getGrn(self.stds.get(), self.rnochoosen.get())[0][0])
self.UpdateVaribleIntoTable(self.fname.get(), self.mname.get(), self.lname.get(), self.address,
self.phnos.get(), self.phnop.get(), self.email.get(), self.poadd,
self.pophno.get(), self.fee.get(), self.dob, self.category.get(), self.bloodg.get(),
self.caste.get(), self.grn)
self.setValue()
print("done")
"""else:
if ((self.rno.get() == "") or (not(self.validRollno(self.rno.get())))):
self.rnoentry.focus_set()
messagebox.showinfo('Error', 'Please enter valid Roll number')
elif (self.div.get() == ""):
self.diventry.focus_set()
messagebox.showinfo('Error', 'Please enter Division')
if ((self.stds.get() == "") or (self.stds.get() < "1") or (self.stds.get() > "12")):
self.stdentry.focus_set()
messagebox.showinfo('Error', 'Please enter valid standard')
if ((not (self.validFee(self.fee.get()))) or (self.fee.get() == "")):
self.feesentry.focus_set()
messagebox.showinfo('Error', 'Please enter valid fees')
else:
if ((not (self.validName(self.fname.get()))) or (self.fname.get() == "")):
self.fnameentry.focus_set()
messagebox.showinfo('Error', 'Invalid first name')
elif ((not (self.validName(self.mname.get()))) or (self.mname.get() == "")):
self.mnameentry.focus_set()
messagebox.showinfo('Error', 'Invalid middle name')
elif ((not (self.validName(self.lname.get()))) or (self.lname.get() == "")):
self.lnameentry.focus_set()
messagebox.showinfo('Error', 'Invalid last name')
else:
self.emailentry.focus_set()
messagebox.showinfo('Error', 'Invalid email address')
else:
if ((not (self.validNumber(self.phnop.get()))) or (len(self.phnop.get()) != 10)):
self.phnopentry.focus_set()
messagebox.showinfo('Error', 'Invalid parent mobile number')
elif ((not (self.validNumber(self.phnos.get()))) or (len(self.phnos.get()) != 10)):
self.phnosentry.focus_set()
messagebox.showinfo('Error', 'Invalid student mobile number')
elif ((not (self.validNumber(self.pophno.get()))) or (len(self.pophno.get()) != 10)):
self.pophnoentry.focus_set()
messagebox.showinfo('Error', 'Invalid parent office mobile number')"""
# ============================================================to set all field as null========================================================
def setValue(self):
self.rno = "-"
self.std = "-"
# self.div.set("")
self.fname.set("")
self.mname.set("")
self.lname.set("")
self.addressentry.delete(1.0, END)
self.phnos.set("")
self.phnop.set("")
self.email.set("")
self.poaddentry.delete(1.0, END)
self.pophno.set("")
self.fee.set("")
# ========================================================to get standard============================================================
def getStd(self):
try:
sqliteConnection = sqlite3.connect('sinfo.db')
cursor = sqliteConnection.cursor()
print("Connected to SQLite")
sqlite_getstd = """SELECT DISTINCT standard FROM master;"""
cursor.execute(sqlite_getstd)
# sqliteConnection.commit()
# print("Python Variables deleted successfully from detail table")
# messagebox.showinfo('Successfully done', 'Deletion is done in database')
return cursor.fetchall()
cursor.close()
except sqlite3.Error as error:
print("Failed to delete Python variable into sqlite table", error)
finally:
if (sqliteConnection):
sqliteConnection.close()
print("The SQLite connection is closed")
# ========================================================to get standard============================================================
def getRoll(self, stds, ):
try:
sqliteConnection = sqlite3.connect('sinfo.db')
cursor = sqliteConnection.cursor()
print("Connected to SQLite")
sqlite_getrno = """SELECT rollno FROM master WHERE standard = ?;"""
data_tuple = (stds,)
cursor.execute(sqlite_getrno, data_tuple)
# sqliteConnection.commit()
# print("Python Variables deleted successfully from detail table")
# messagebox.showinfo('Successfully done', 'Deletion is done in database')
return cursor.fetchall()
cursor.close()
except sqlite3.Error as error:
print("Failed to delete Python variable into sqlite table", error)
finally:
if (sqliteConnection):
sqliteConnection.close()
print("The SQLite connection is closed")
# ========================================================to get current values============================================================
def getRow(self, stds, rno):
try:
sqliteConnection = sqlite3.connect('sinfo.db')
cursor = sqliteConnection.cursor()
print("Connected to SQLite")
sqlite_getrow = """SELECT * FROM master WHERE standard = ? AND rollno = ?;"""
data_tuple = (stds, rno)
cursor.execute(sqlite_getrow, data_tuple)
# sqliteConnection.commit()
# print("Python Variables deleted successfully from detail table")
# messagebox.showinfo('Successfully done', 'Deletion is done in database')
return cursor.fetchall()
cursor.close()
except sqlite3.Error as error:
print("roll")
print("Failed to delete Python variable into sqlite table", error)
finally:
if (sqliteConnection):
sqliteConnection.close()
print("The SQLite connection is closed")
# ========================================================to get gr number============================================================
def getGrn(self, stds, rno):
try:
sqliteConnection = sqlite3.connect('sinfo.db')
cursor = sqliteConnection.cursor()
print("Connected to SQLite")
sqlite_getgr = """SELECT grno FROM master WHERE standard = ? AND rollno = ?;"""
data_tuple = (stds, rno)
cursor.execute(sqlite_getgr, data_tuple)
# sqliteConnection.commit()
# print("Python Variables deleted successfully from detail table")
# messagebox.showinfo('Successfully done', 'Deletion is done in database')
return cursor.fetchall()
cursor.close()
except sqlite3.Error as error:
print("roll")
print("Failed to delete Python variable into sqlite table", error)
finally:
if (sqliteConnection):
sqliteConnection.close()
print("The SQLite connection is closed")
# ========================================================1st next============================================================
def nextStep(self, event):
if (self.stds.get() == "Select Standard"):
messagebox.showerror('Error', 'Please select standard')
else:
text = Label(self.lf2, text="Select Rollno : " ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=550, y=10, height=25)
self.rnochoosen = Combobox(self.lf2, state="readonly", textvariable=self.rno, font=(self.f1,10))
self.rnochoosen.place(x=800, y=10, height=25, width=200)
self.rnochoosen['values'] = self.getRoll(self.stds.get(), )
self.rnochoosen.bind("<<ComboboxSelected>>", self.nextStep2)
# Create a Button
"""self.btn2 = Button(self, text='Next', bd='5', command=self.nextStep2)
# Set the position of button on the top of window.
self.btn2.place(x=100, y=550, height=25, width=150)"""
# ========================================================2nd next============================================================
def nextStep2(self, event):
if (self.rnochoosen.get() == "Select Roll number"):
messagebox.showerror('Error', 'Please select roll number')
else:
self.row = self.getRow(self.stds.get(), self.rnochoosen.get())
self.grno = (self.row[0][0])
self.rollno = (self.row[0][1])
self.std = (self.row[0][2])
# self.div = (self.row[0][2].split("-")[1])
self.fname.set(self.row[0][4])
self.mname.set(self.row[0][5])
self.lname.set(self.row[0][6])
self.address = (self.row[0][7])
self.phnos.set(self.row[0][8])
self.phnop.set(self.row[0][9])
self.email.set(self.row[0][10])
self.poadd = (self.row[0][11])
self.pophno.set(self.row[0][12])
self.fee.set(self.row[0][13])
self.dob = (self.row[0][16])
print(self.dob)
self.category.set(self.row[0][17])
self.bloodg.set(self.row[0][18])
self.caste.set(self.row[0][19])
print(self.row[0][0])
text = Label(self.lf2,text="GRno" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=550, y=50, height=25)
self.grnotext = Label(self.lf2,text=self.grno ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
self.grnotext.place(x=800, y=50, height=25)
text = Label(self.lf2,text="Rollno" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=550, y=90, height=25)
self.rollnotext = Label(self.lf2,text=self.rollno ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
self.rollnotext.place(x=800, y=90, height=25)
text = Label(self.lf2,text="Std." ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=50, y=50, height=25)
self.stdentry = Label(self.lf2,text=self.std ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
self.stdentry.place(x=250, y=50, height=25)
self.stdentry.focus_set()
text = Label(self.lf2,text="Date of birth" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=550, y=300, height=25)
self.dobentry = DateEntry(self.lf2, date_pattern='yyyy/mm/dd', state="readonly", font=(self.f1,10))
self.dobentry.place(x=800, y=300, height=25, width=150)
self.dobentry.set_date((datetime.datetime.strptime(self.dob, "%Y-%m-%d").date()))
text = Label(self.lf2, text="Category" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=550, y=330, height=25)
self.categorychoosen = Combobox(self.lf2, state="readonly", textvariable=self.category, font=(self.f1,10))
self.categorychoosen.place(x=800, y=330, height=25, width=200)
self.categorychoosen['values'] = ["ST", "SC", "OBC", "OPEN", "Other"]
text = Label(self.lf2, text="Blood group" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=550, y=360, height=25)
self.bloodgchoosen = Combobox(self.lf2, state="readonly", textvariable=self.bloodg, font=(self.f1,10))
self.bloodgchoosen.place(x=800, y=360, height=25, width=200)
self.bloodgchoosen['values'] = ["A+", "B+", "A-", "B-", "AB+", "O+", "O-"]
text = Label(self.lf2, text="caste" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=550, y=390, height=25)
self.casteentry = Entry(self.lf2, textvariable=self.caste, font=(self.f1,10))
self.casteentry.place(x=800, y=390, height=25, width=150)
"""text = Label(self.lf2,text="Div.")
text.place(x=5, y=65, height=25)
self.diventry = Entry(self.lf2, textvariable=self.div)
self.diventry.place(x=100, y=65, height=25, width=150)"""
text = Label(self.lf2,text="First name" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=50, y=90, height=25)
self.fnameentry = Entry(self.lf2, textvariable=self.fname, font=(self.f1,10))
self.fnameentry.place(x=250, y=90, height=25, width=150)
text = Label(self.lf2,text="Middle name" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=50, y=130, height=25)
self.mnameentry = Entry(self.lf2, textvariable=self.mname, font=(self.f1,10))
self.mnameentry.place(x=250, y=130, height=25, width=150)
text = Label(self.lf2,text="Last name" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=50, y=170, height=25)
self.lnameentry = Entry(self.lf2, textvariable=self.lname, font=(self.f1,10))
self.lnameentry.place(x=250, y=170, height=25, width=150)
text = Label(self.lf2,text="Address" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=50, y=210, height=25)
self.addressentry = Text(self.lf2, width=20, height=5, padx=2, pady=2, wrap=WORD, font=(self.f1,10))
self.addressentry.place(x=250, y=210, height=75, width=150)
self.addressentry.insert(INSERT, self.address)
text = Label(self.lf2,text="Student ph." ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=50, y=300, height=25)
self.phnosentry = Entry(self.lf2, textvariable=self.phnos, font=(self.f1,10))
self.phnosentry.place(x=250, y=300, height=25, width=150)
text = Label(self.lf2,text="Parent ph." ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=50, y=340, height=25)
self.phnopentry = Entry(self.lf2, textvariable=self.phnop, font=(self.f1,10))
self.phnopentry.place(x=250, y=340, height=25, width=150)
text = Label(self.lf2,text="Email id" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=50, y=380, height=25)
self.emailentry = Entry(self.lf2, textvariable=self.email, font=(self.f1,10))
self.emailentry.place(x=250, y=380, height=25, width=150)
text = Label(self.lf2,text="Parent office add." ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=550, y=130, height=25)
self.poaddentry = Text(self.lf2, width=20, height=5, padx=2, pady=2, wrap=WORD, font=(self.f1,10))
self.poaddentry.place(x=800, y=130, height=75, width=150)
self.poaddentry.insert(INSERT, self.poadd)
text = Label(self.lf2,text="Parent office ph." ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=550, y=220, height=25)
self.pophnoentry = Entry(self.lf2, textvariable=self.pophno, font=(self.f1,10))
self.pophnoentry.place(x=800, y=220, height=25, width=150)
text = Label(self.lf2,text="Fees" ,bd=2, bg="black", fg="White", font=(self.f1, 15),
relief=GROOVE)
text.place(x=550, y=260, height=25)
self.feesentry = Entry(self.lf2, textvariable=self.fee, font=(self.f1,10))
self.feesentry.place(x=800, y=260, height=25, width=150)
# Create a Button
self.btn3 = Button(self.lf2, text='Update', bd='5', font=(self.f2, 15), command=self.lastStep)
# Set the position of button on the top of window.
self.btn3.place(x=550, y=450, height=25, width=150)
# ========================================================Last Step============================================================
def lastStep(self):
self.submitvalue()
if (self.updater == 1):
self.rnochoosen.destroy()
self.grnotext.destroy()
self.rollnotext.destroy()
self.stdentry.destroy()
self.fnameentry.destroy()
self.mnameentry.destroy()
self.lnameentry.destroy()
self.addressentry.destroy()
self.phnosentry.destroy()
self.phnopentry.destroy()
self.emailentry.destroy()
self.poaddentry.destroy()
self.pophnoentry.destroy()
self.feesentry.destroy()
self.casteentry.destroy()
self.categorychoosen.destroy()
self.dobentry.destroy()
self.bloodgchoosen.destroy()
self.btn3.destroy()
self.start()
# ========================================================Main============================================================
def __init__(self, root, main_root):
self.main_root = main_root
self.root = root
try:
self.conn = sqlite3.connect('sinfo.db')
except:
messagebox.showerror("School Software", "Database Connection Error.")
Toplevel.__init__(self)
self.lift()
self.focus_force()
self.grab_set()
self.grab_release()
self.bgclr1 = "#0080c0"
self.bgclr2 = "#e7d95a"
self.f1 = "Arial Bold"
self.f2 = "times new roman"
self.title("UPDATE STUDENT")
self.config(background=self.bgclr1)
self.geometry("1350x700+0+0")
self.resizable(False, False)
##===================================================frame1 ====================================================
imagel = Image.open("left-arrow.png")
imagel = imagel.resize((60, 15))
imgl = ImageTk.PhotoImage(imagel)
self.lf1 = LabelFrame(self, text="NAME", bd=2, bg="black", fg="white", font=(self.f1, 20), relief=GROOVE)
self.lf1.place(x=0, y=0, height=150, width=1350)
bb = Button(self.lf1, image=imgl, bd=5, font=(self.f1, 20), bg="white", command=self.backf)
bb.place(x=10, y=10)
##===============================================frame 2========================================================
self.lf2 = LabelFrame(self, text="UPDATE STUDENT", bd=2, bg="black", fg="white", font=(self.f1, 20), relief=GROOVE)
self.lf2.place(x=0, y=150, height=550, width=1350)
self.start()
# Create a Button
"""self.btn = Button(self, text='Next', bd='5', command=self.nextStep)
# Set the position of button on the top of window.
self.btn.place(x=100, y=550, height=25, width=150)"""
self.protocol("WM_DELETE_WINDOW", self.c_w)
self.mainloop()
