11# import libraries
2+ 23import tkinter as tk
34from datetime import date
45
@@ -44,17 +45,69 @@ def run(self):
4445 self .dayEntry = tk .Entry (self .master , textvariable = dayValue , relief = "solid" )
4546 self .dayEntry .grid (row = 4 , column = 1 , padx = 10 , pady = 10 )
4647
48+ 49+ def check_year ():
50+ #simple method to check the validity of a user input birth year
51+ self .statement .destroy ()
52+ today = date .today ()
53+ try :
54+ year = int (self .yearEntry .get ())
55+ if today .year - year < 0 :
56+ self .statement = tk .Label (text = f"{ nameValue .get ()} , font = "courier 10" , bg = "lightblue" )
57+ self .statement .grid (row = 6 , column = 1 , pady = 15 )
58+ return False
59+ else :
60+ return True
61+ except Exception as e :
62+ self .statement = tk .Label (text = f"{ nameValue .get ()} , font = "courier 10" , bg = "lightblue" )
63+ self .statement .grid (row = 6 , column = 1 , pady = 15 )
64+ return False
65+ 66+ def check_month ():
67+ #simple method to check the validity of a user input birth month
68+ self .statement .destroy ()
69+ try :
70+ month = int (self .monthEntry .get ())
71+ if month < 0 or month > 12 :
72+ self .statement = tk .Label (text = f"{ nameValue .get ()} , font = "courier 10" , bg = "lightblue" )
73+ self .statement .grid (row = 6 , column = 1 , pady = 15 )
74+ return False
75+ else :
76+ return True
77+ except Exception as e :
78+ self .statement = tk .Label (text = f"{ nameValue .get ()} , font = "courier 10" , bg = "lightblue" )
79+ self .statement .grid (row = 6 , column = 1 , pady = 15 )
80+ return False
81+ 82+ def check_day ():
83+ #simple method to check the validity of a user input birth day
84+ self .statement .destroy ()
85+ try :
86+ day = int (self .dayEntry .get ())
87+ if day < 0 or day > 31 :
88+ self .statement = tk .Label (text = f"{ nameValue .get ()} , font = "courier 10" , bg = "lightblue" )
89+ self .statement .grid (row = 6 , column = 1 , pady = 15 )
90+ return False
91+ else :
92+ return True
93+ except Exception as e :
94+ self .statement = tk .Label (text = f"{ nameValue .get ()} , font = "courier 10" , bg = "lightblue" )
95+ self .statement .grid (row = 6 , column = 1 , pady = 15 )
96+ return False
97+ 4798 # defining the function for calculating age
4899 def ageCalc ():
49100 self .statement .destroy ()
50101 today = date .today ()
51- birthDate = date (int (self .yearEntry .get ()), int (
52- self .monthEntry .get ()), int (self .dayEntry .get ()))
53- age = today .year - birthDate .year
54- if today .month < birthDate .month or today .month == birthDate .month and today .day < birthDate .day :
55- age -= 1
56- self .statement = tk .Label (text = f"{ nameValue .get ()} { age } , font = "courier 10" , bg = "lightblue" )
57- self .statement .grid (row = 6 , column = 1 , pady = 15 )
102+ #adding some stuff for checking validity of inputs
103+ if check_year () and check_month () and check_day ():
104+ birthDate = date (int (self .yearEntry .get ()), int (
105+ self .monthEntry .get ()), int (self .dayEntry .get ()))
106+ age = today .year - birthDate .year
107+ if today .month < birthDate .month or today .month == birthDate .month and today .day < birthDate .day :
108+ age -= 1
109+ self .statement = tk .Label (text = f"{ nameValue .get ()} { age } , font = "courier 10" , bg = "lightblue" )
110+ self .statement .grid (row = 6 , column = 1 , pady = 15 )
58111
59112 # create a button for calculating age
60113 self .button = tk .Button (text = "Calculate age" , font = "courier 12 bold" , fg = "white" , bg = "dodgerblue" , command = ageCalc )
@@ -67,4 +120,4 @@ def ageCalc():
67120if __name__ == '__main__' :
68121 age_calc = App ()
69122 age_calc .run ()
70- 123+
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