Merge pull request #234 from nimkarprachi17/fix/issue-212-numeric-input-validation

[PR]: fix: handle non-numeric input with ValueError in Number-Guessing-Game, Pascal-Triangle, and Happy-Number

Author: steam-bell-92

games/Number-Guessing-Game/Number-Guessing-Game.py

@@ -7,7 +7,11 @@
 print("I'm thinking of a number between 1 and 100...\n")
 
 while True:
-    num = int(input("🤔 Guess the Number (1 - 100): "))
+    try:
+        num = int(input("🤔 Guess the Number (1 - 100): "))
+    except ValueError:
+        print("⚠️ Oops! That doesn't look like a valid number. Please try again.\n")
+        continue
 
     if (num >= 1) and (num <= 100):
         if num > num1:

math/Happy-Number/Happy-Number.py

@@ -1,7 +1,12 @@
 print("🔢 Happy Number Checker 🔢")
 print("🎯 A happy number is a number which eventually reaches 1 when replaced repeatedly by the sum of the square of its digits.\n")
 
-N = int(input("➡️  Enter a number: "))
+while True:
+    try:
+        N = int(input("➡️  Enter a number: "))
+        break
+    except ValueError:
+        print("⚠️ Oops! That doesn't look like a valid number. Please try again.\n")
 
 seen = set()
 num = N
@@ -12,4 +17,4 @@
 if (num == 1):
     print(f"🔍 {N} is a happy number! ✅")
 else:
-    print(f"🔍 {N} is not a happy number. ❌")
+    print(f"🔍 {N} is not a happy number. ❌")

math/Pascal-Triangle/Pascal-Triangle.py

@@ -32,17 +32,21 @@
                 print(f"Row {i+1}: {row_str.center(max_width)}")
 
         elif choice == '2':
-            row_num = int(input(f"\n📍 Enter row number (1 to {n}): "))
-            
-            if 1 <= row_num <= len(triangle):
+            try:
+                row_num = int(input(f"\n📍 Enter row number (1 to {n}): "))
+            except ValueError:
+                print("⚠️ Oops! That doesn't look like a valid number. Please try again.")
+                row_num = None
+
+            if row_num is not None and 1 <= row_num <= len(triangle):
                 print(f"\n📍 Row {row_num} of Pascal's Triangle:")
                 print(f"   {triangle[row_num-1]}")
                 print(f"\n📊 Elements: {' → '.join(map(str, triangle[row_num-1]))}")
-            else:
+            elif row_num is not None:
                 print(f"\n❌ Row {row_num} doesn't exist in the generated triangle!")
-        
-        else:
-            print("❌ Invalid choice!")
+
+            else:
+                print("❌ Invalid choice!")
 
         print(f"\n💡 Total rows generated: {n}")