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Python: Insert values to a table from user input

Python SQLite Database: Exercise-7 with Solution

Write a Python program to insert values to a table from user input.

Sample Solution:

Python Code :

import  sqlite3
conn  =  sqlite3 . connect ( 'mydatabase.db' )
cursor  =  conn.cursor ()
#create the salesman table 
cursor.execute("CREATE TABLE salesman(salesman_id n(5), name char(30), city char(35), commission decimal(7,2));")

s_id = input('Salesman ID:')
s_name = input('Name:')
s_city = input('City:')
s_commision = input('Commission:')
cursor.execute("""
INSERT INTO salesman(salesman_id, name, city, commission)
VALUES (?,?,?,?)
""", (s_id, s_name, s_city, s_commision))
conn.commit ()
print ( 'Data entered successfully.' )
conn . close ()
if (conn):
  conn.close()
  print("\nThe SQLite connection is closed.")

Sample Output:

Salesman ID: 5
Name: Jhon Edin
City: New York
Commission: 5
Data entered successfully.

The SQLite connection is closed.

Python Code Editor:

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Previous: Write a Python program to insert a list of records into a given SQLite table.
Next: Write a Python program to count the number of rows of a given SQLite table.

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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m