adding few basic scripts

README.md

@@ -24,8 +24,10 @@ This repository is a growing collection of clear, practical, engineer-friendly t
 
 ## Tutorials Index
 
-| Filename | Description |
-|----------|-------------|
-| 001_hello_world.py | Basic Hello World Program in Python - This script prints "Hello, World!" to the console. |
-
-
+| Script | Description |
+|--------|-------------|
+| [001_hello_world.py](basic/001_hello_world.py) | Basic Hello World Program in Python - This script prints "Hello, World!" to the console. |
+| [002_fstrings.py](basic/002_fstrings.py) | Example of using f-strings for formatted string literals in Python. |
+| [003_inplace_swap.py](basic/003_inplace_swap.py) | Basic In-Place Swap Program in Python - This script swaps the values of two variables without using a temporary variable. |
+| [004_vowel_consonants.py](basic/004_vowel_consonants.py) | Basic example demonstrating vowel and consonant identification in a string. |
+| [005_simple_list.py](basic/005_simple_list.py) | This script takes a list of hobbies from user input,prints each hobby on a new line prefixed with * |

basic/001_hello_world.py

@@ -4,3 +4,6 @@
 
 def hello_world():
     print("Hello, World!")
+
+if __name__ == "__main__":
+    hello_world()

basic/002_fstrings.py

@@ -0,0 +1,12 @@
+"""
+Example of using f-strings for formatted string literals in Python.
+"""
+
+name = input("Enter your name: ")
+color = input("Enter your favorite color: ")
+
+def greet(name, color):
+    print(f"Hello, my name is {name} and I like the color {color}")
+
+if __name__ == "__main__":
+    greet(name, color)

basic/003_inplace_swap.py

@@ -0,0 +1,15 @@
+"""
+Basic In-Place Swap Program in Python - This script swaps the values of two variables without using a temporary variable.
+"""
+
+a = 10
+b = 20
+
+def swap(a, b):
+    print(f"before swap: {a, b}")
+    a, b = b, a
+    print(f"after swap: {a, b}")
+    return a, b
+
+if __name__ == "__main__":
+    swap(a, b)

basic/004_vowel_consonants.py

@@ -0,0 +1,23 @@
+"""
+Basic example demonstrating vowel and consonant identification in a string.
+"""
+
+def count_vowels_and_consonants(input_string):
+    """Counts the number of vowels and consonants in the given string."""
+    vowels = "aeiouAEIOU"
+    vowel_count = 0  # Initialize vowel count
+    consonant_count = 0 # Initialize consonant count
+
+    for char in input_string:
+        if char.isalpha():  # Check if the character is a letter
+            if char in vowels:
+                vowel_count += 1 # Increment vowel count
+            else:
+                consonant_count += 1 # Increment consonant count
+
+    print(f"Vowels count: {vowel_count}, Consonants count: {consonant_count}")
+    return vowel_count, consonant_count
+
+if __name__ == "__main__":
+    test_string = input("Enter a test string: ")
+    count_vowels_and_consonants(test_string)

basic/005_simple_list.py

@@ -0,0 +1,13 @@
+"""
+This script takes a list of hobbies from user input,prints each hobby on a new line prefixed with *
+"""
+
+def print_list_items(hobbies):
+    for hobby in hobbies:
+        print(f"* {hobby}") # Print each hobby with * prefix
+
+if __name__ == "__main__":
+    hobbies = input("Enter a list of hobbies separated by commas (e.g., reading,cycling,cooking): ").split(",")
+    # print("Hobby List:", hobbies) # Debugging line to check the list
+    print("Your hobbies are:")
+    print_list_items(hobbies)

list_script.py

@@ -1,5 +1,6 @@
 import os
 import ast
+import re
 from typing import List, Dict
 
 BASE_DIRS = ["basic", "intermediate", "advanced"]
@@ -13,6 +14,20 @@ def get_py_files(base_dirs: List[str]) -> List[str]:
             for file in files:
                 if file.endswith(".py"):
                     py_files.append(os.path.join(root, file))
+    # Deterministic ordering: sort by base-dir order, numeric filename prefix, then filename
+    def sort_key(path: str):
+        parts = os.path.normpath(path).split(os.sep)
+        base = parts[0] if parts else path
+        try:
+            base_index = base_dirs.index(base)
+        except ValueError:
+            base_index = len(base_dirs)
+        filename = os.path.basename(path)
+        m = re.match(r"^(\d+)", filename)
+        num = int(m.group(1)) if m else float('inf')
+        return (base_index, num, filename)
+
+    py_files.sort(key=sort_key)
     return py_files
 
 def extract_header(file_path: str) -> str:
@@ -46,15 +61,18 @@ def main():
     with open(readme_path, "r", encoding="utf-8") as f:
         readme = f.read()
 
-    # Replace or insert Tutorials Index section
+    # Replace or insert Tutorials Index section.
+    # Match from the '## Tutorials Index' header up to the next top-level '## ' header or EOF.
     import re
-    pattern = r'(## Tutorials Index\n)([\s\S]*?)(\n\n|\Z)'
-    replacement = f"## Tutorials Index\n\n{table}\n"
+    pattern = r'(?ms)^## Tutorials Index\b.*?(?=^##\s|\Z)' 
+    replacement = f"## Tutorials Index\n\n{table}"
     if re.search(pattern, readme):
         readme = re.sub(pattern, replacement, readme)
     else:
-        # If not found, append at the end
-        readme += f"\n{replacement}"
+        # Ensure file ends with a newline before appending
+        if not readme.endswith("\n"):
+            readme += "\n"
+        readme += f"\n{replacement}\n"
 
     with open(readme_path, "w", encoding="utf-8") as f:
         f.write(readme)