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Python tkinter widgets Exercise: Create a Text widget using tkinter module

Python tkinter widgets: Exercise-7 with Solution

Write a Python GUI program to create a Text widget using tkinter module. Insert a string at the beginning then insert a string into the current text.
Delete the first and last character of the text.

Sample Solution:

Python Code:

import tkinter as tk

parent = tk.Tk()
# create the widget.
mytext = tk.Text(parent)

# insert a string at the beginning
mytext.insert('1.0', "- Python exercises, solution -")

# insert a string into the current text
mytext.insert('1.19', ' Practice,')

# delete the first and last character (including a newline character)
mytext.delete('1.0')
mytext.delete('end - 2 chars')
mytext.pack()
parent.mainloop()

Sample Output: 

Flowchart: Create a Text widget using tkinter module

Flowchart:

Flowchart: Create a Text widget using tkinter module

Python Code Editor:

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Next: Write a Python GUI program to create three single line text-box to accept a value from the user using tkinter module.

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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}