Write a program that reads in a Python source code as a one-line text and counts the occurrence of each keyword in the file. Display the keyword and count in ascending order on keywords.

Sample Run

Enter Python source code: if x == 2: while if for else if while for
else: 1
for: 2
if: 3
while: 2

Hi Castiel! One way to implement this program is by using regular expressions combined with file operations in Python. Please find the answer explanation below:

Explanation:

First, we define the variables for the input and output files. Then, we can declare separate arrays for each kind of parenthesis (braces, curly brackets, parenthesis) so that we can count the total number of opening parenthesis and tally with the count of the total number of closing parenthesis.  Please refer to the attachment "balanced.py".