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Python tkinter widgets Exercise: Create a Combobox with three options using tkinter module

Python tkinter widgets: Exercise-4 with Solution

Write a Python GUI program to create a Combobox with three options using tkinter module.

Sample Solution:

Python Code:

import tkinter as tk
from tkinter import ttk

root = tk.Tk()
my_str_var = tk.StringVar()

my_combobox = ttk.Combobox(
    root, textvariable = my_str_var,
    values=["PHP", "Java", "Python"])

my_combobox.pack()
root.mainloop()

Sample Output: 

Flowchart: Create a Combobox with three options using tkinter module

Flowchart:

Flowchart: Create a Combobox with three options using tkinter module

Python Code Editor:

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Python: Tips of the Day

Creates a dictionary with the same keys as the provided dictionary and values generated by running the provided function for each value:

Example:

def tips_map_values(obj, fn):
  ret = {}
  for key in obj.keys():
    ret[key] = fn(obj[key])
  return ret
users = {
  'Owen': { 'user': 'Owen', 'age': 29 },
  'Eddie': { 'user': 'Eddie', 'age': 15 }
}

print(tips_map_values(users, lambda u : u['age'])) # {'Owen': 29, 'Eddie': 15}

Output:

{'Owen': 29, 'Eddie': 15}