Fixed issue with 2026 full year calendar. Also updated README.md.

Author: digitalguy99

.gitignore

@@ -0,0 +1 @@
+*.exe

README.md

@@ -1,2 +1,58 @@
 # pythoncalendar
-cli calendar program for Windows written in Python
+Linux inspired cli calendar program brought to life on Windows with Python
+
+## Preview
+*Requirement: any **Windows** version*
+
+## Installation
+1. Open preferred console application.
+
+2. Copy and paste the following:
+
+   ```cmd
+   cmd /v /c "IF EXIST %USERPROFILE%\AppData\Local\Microsoft\WindowsApps\your-app.exe (set /p userinp=File already exists. Do you want to overwrite it? (y/n) ^& IF /I !userinp! == y curl -L -o %USERPROFILE%\AppData\Local\Microsoft\WindowsApps\your-app.exe https://github.com/yourusername/yourrepository/releases/download/v1.0.0/your-app.exe) ELSE curl -L -o %USERPROFILE%\AppData\Local\Microsoft\WindowsApps\your-app.exe https://github.com/yourusername/yourrepository/releases/download/v1.0.0/your-app.exe"
+   ```
+
+3. Restart your console.
+
+## Usage
+```cmd
+usage: cal [-h] [-y YEAR] [-m MONTH]
+
+options:
+  -h, --help            show this help message and exit
+  -y YEAR, --year YEAR
+  -m MONTH, --month MONTH
+```
+### Examples
+* Displaying calendar of current date
+  ```cmd
+  $ cal
+  ```
+
+* Displaying 1997 full year calendar
+  ```cmd
+  $ cal -y 1997
+  ```
+
+* Displaying March calendar of current year
+  ```cmd
+  $ cal -m March
+  ```
+
+* Displaying calendar of March 1997
+  ```cmd
+  $ cal -m March -y 1997
+  ```
+
+## Update
+1. Run the installation command.
+
+2. Type `y` and press enter when prompted the following:
+   > Do you want to overwrite it? (y/n)
+
+3. Restart your console.
+
+
+## License
+© 2023 digitalguy99. This project is licensed under the terms of the MIT license.

cal.py

@@ -1,5 +1,6 @@
 import calendar
 import argparse
+import sys
 from datetime import datetime
 
 # Setting calendar start day
@@ -16,7 +17,11 @@
 
 if args.month:
     if args.month not in [str(month_number) for month_number in list(range(1,13))]:
-        cal_month = list(calendar.month_name).index(args.month)
+        try:
+            cal_month = list(calendar.month_name).index(args.month.capitalize())
+        except:
+            print(f"Enter appropriate month number or full name!\ncal: error: argument -m/--month: invalid entry: '{args.month}'")
+            sys.exit()
     else:
         cal_month = int(args.month)
 
@@ -29,6 +34,7 @@ def formatday(self, day, weekday, width):
             return f'\033[7m{day:>{width}}\033[m'
         return f'{day:>{width}}'
 
+# Function to print month calendar
 def cal(month=None, year=None):
     if not month:
         month = datetime.now().month
@@ -37,6 +43,7 @@ def cal(month=None, year=None):
     cal = CustomCalendar(calendar.SUNDAY)
     print(cal.formatmonth(year, month))
 
+# Function to print full year calendar
 def print_calendar(year: int):
     cal = calendar.TextCalendar(calendar.SUNDAY)
     today = datetime.now()
@@ -53,7 +60,7 @@ def print_calendar(year: int):
                     if len(days) > 0:
                         if i == 2 and len(days) < 7:
                             days = ['  '] * (7 - len(days)) + days
-                        elif i == len(month_str) - 2 and len(days) < 7:
+                        elif (i == len(month_str)-2) and (len(days) < 7):
                             days += ['  '] * (7 - len(days))
                         for j in range(len(days)):
                             if days[j].strip():
@@ -71,7 +78,13 @@ def print_calendar(year: int):
                         quarter_str[-1] = ' '*(40 if s_no == 2 else 20) + quarter_str[-1]
                         quarter_str.append('   ' + month_str[i])
                     else:
-                        quarter_str[i] += '   ' + month_str[i]
+                        if i != (len(month_str)-1):
+                            quarter_str[i] += '   ' + month_str[i]
+                        else:
+                            if len(month_str) >= len(quarter_str):
+                                quarter_str[i] += '   ' + month_str[i]
+                            else:
+                                quarter_str[i] += 20*' ' + '   ' + month_str[i]
         print('\n'.join(quarter_str))
 
 # Code to determine the calendar to print out