Updates

modules/number_system/grouping_techniques.py

@@ -10,20 +10,25 @@ def generate_question():
     from_base = random.choice([2, 8, 16])
     to_base = 8 if from_base == 2 else 2 if from_base == 8 else 2
 
+    has_fraction = False  # Track if the number includes a fraction
+
     if from_base == 2:
         # Generate a random binary number, optionally with a fractional part
         number = ''.join(random.choice('01') for _ in range(random.randint(4, 8)))
         if random.choice([True, False]):
+            has_fraction = True
             number += '.' + ''.join(random.choice('01') for _ in range(random.randint(1, 4)))
     elif from_base == 8:
         # Generate a random octal number, optionally with a fractional part
         number = ''.join(random.choice('01234567') for _ in range(random.randint(2, 4)))
         if random.choice([True, False]):
+            has_fraction = True
             number += '.' + ''.join(random.choice('01234567') for _ in range(random.randint(1, 3)))
     elif from_base == 16:
         # Generate a random hexadecimal number, optionally with a fractional part
         number = ''.join(random.choice('0123456789ABCDEF') for _ in range(random.randint(2, 4)))
         if random.choice([True, False]):
+            has_fraction = True
             number += '.' + ''.join(random.choice('0123456789ABCDEF') for _ in range(random.randint(1, 3)))
 
     def group_conversion(number, from_base, to_base):
@@ -33,7 +38,7 @@ def generate_question():
             integer_result = oct(int(integer_part, 2))[2:]
             if fraction_part:
                 fraction_result = ''.join([oct(int(f'{fraction_part[0][i:i+3]:0<3}', 2))[2:] for i in range(0, len(fraction_part[0]), 3)])
-                return f"{integer_result}.{fraction_result}"
+                return f"{integer_result}.{fraction_result}" if has_fraction else integer_result
             return integer_result
         elif from_base == 2 and to_base == 16:
             # Convert binary to hexadecimal
@@ -41,7 +46,7 @@ def generate_question():
             integer_result = hex(int(integer_part, 2))[2:].upper()
             if fraction_part:
                 fraction_result = ''.join([hex(int(f'{fraction_part[0][i:i+4]:0<4}', 2))[2:].upper() for i in range(0, len(fraction_part[0]), 4)])
-                return f"{integer_result}.{fraction_result}"
+                return f"{integer_result}.{fraction_result}" if has_fraction else integer_result
             return integer_result
         elif from_base == 8 and to_base == 2:
             # Convert octal to binary
@@ -49,7 +54,7 @@ def generate_question():
             integer_result = ''.join([bin(int(digit, 8))[2:].zfill(3) for digit in integer_part])
             if fraction_part:
                 fraction_result = ''.join([bin(int(digit, 8))[2:].zfill(3) for digit in fraction_part[0]])
-                return f"{integer_result}.{fraction_result}"
+                return f"{integer_result}.{fraction_result}" if has_fraction else integer_result
             return integer_result
         elif from_base == 16 and to_base == 2:
             # Convert hexadecimal to binary
@@ -57,7 +62,7 @@ def generate_question():
             integer_result = ''.join([bin(int(digit, 16))[2:].zfill(4) for digit in integer_part])
             if fraction_part:
                 fraction_result = ''.join([bin(int(digit, 16))[2:].zfill(4) for digit in fraction_part[0]])
-                return f"{integer_result}.{fraction_result}"
+                return f"{integer_result}.{fraction_result}" if has_fraction else integer_result
             return integer_result
 
     correct_answer = group_conversion(number, from_base, to_base)
@@ -67,10 +72,16 @@ def generate_question():
     while len(options) < 4:
         if from_base == 2:
             invalid_number = ''.join(random.choice('01') for _ in range(len(number.replace('.', ''))))
+            if has_fraction:
+                invalid_number += '.' + ''.join(random.choice('01') for _ in range(len(number.split('.')[1])))
         elif from_base == 8:
             invalid_number = ''.join(random.choice('01234567') for _ in range(len(number.replace('.', ''))))
+            if has_fraction:
+                invalid_number += '.' + ''.join(random.choice('01234567') for _ in range(len(number.split('.')[1])))
         elif from_base == 16:
             invalid_number = ''.join(random.choice('0123456789ABCDEF') for _ in range(len(number.replace('.', ''))))
+            if has_fraction:
+                invalid_number += '.' + ''.join(random.choice('0123456789ABCDEF') for _ in range(len(number.split('.')[1])))
         
         # Generate the corresponding incorrect conversion
         invalid_converted_number = group_conversion(invalid_number, from_base, to_base)