From 2d3442b60a195afcea3c434d2e6cb041f32c670b Mon Sep 17 00:00:00 2001
From: Manu <160436552+manuNikaGod@users.noreply.github.com>
Date: Sat, 28 Mar 2026 17:33:36 +0100
Subject: [PATCH 1/5] palindrome

---
 exercises/hello_world/solution.py |  4 ++--
 exercises/palindrome/solution.py  | 21 +++++++++------------
 2 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/exercises/hello_world/solution.py b/exercises/hello_world/solution.py
index 19b776e..42e8983 100644
--- a/exercises/hello_world/solution.py
+++ b/exercises/hello_world/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def hello_world() -> str:
@@ -8,7 +8,7 @@ def hello_world() -> str:
     >>> hello_world()
     'Hello, World!'
     """
-    return ""
+    return "Hello, World!"
 
 
 def test() -> None:
diff --git a/exercises/palindrome/solution.py b/exercises/palindrome/solution.py
index 7664e28..b9b4b9b 100644
--- a/exercises/palindrome/solution.py
+++ b/exercises/palindrome/solution.py
@@ -1,17 +1,12 @@
-SUBMIT = False
+SUBMIT = True
 
 
-def palindrome(_text: str) -> bool:
-    # noqa: ARG001
-    """Checks if a string is a palindrome.
-
-    Example usage:
-    >>> palindrome("racecar")
-    True
-    >>> palindrome("hello")
-    False
-    """
-    return False
+def palindrome(word:str)->bool:
+   
+    for i in range(len(word)):
+        if word[i]!=word[len(word)-1-i]:
+            return False
+    return True
 
 
 def test() -> None:
@@ -31,3 +26,5 @@ def test() -> None:
 
 if __name__ == "__main__":
     test()
+
+print(98)
\ No newline at end of file

From 999807e828f3bd298e6088d1e645a78fba662207 Mon Sep 17 00:00:00 2001
From: Manu <160436552+manuNikaGod@users.noreply.github.com>
Date: Sat, 28 Mar 2026 17:47:41 +0100
Subject: [PATCH 2/5] fibonacci

---
 exercises/fibonacci/solution.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/exercises/fibonacci/solution.py b/exercises/fibonacci/solution.py
index b85766d..7207eb1 100644
--- a/exercises/fibonacci/solution.py
+++ b/exercises/fibonacci/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def fibonacci(n: int) -> int:
@@ -14,7 +14,12 @@ def fibonacci(n: int) -> int:
     >>> fibonacci(10)
     55
     """
-    return 0
+    x=1
+    y=0
+    for i in range(n):
+        x,y=y,x+y
+    return y
+    
 
 
 def test() -> None:

From be8e3c1be10a04c87f7964bb94fa37149768e2ab Mon Sep 17 00:00:00 2001
From: Manu <160436552+manuNikaGod@users.noreply.github.com>
Date: Sat, 28 Mar 2026 18:14:43 +0100
Subject: [PATCH 3/5] variados

---
 exercises/celsius_to_fahrenheit/solution.py | 7 +++++--
 exercises/personalized_greeting/solution.py | 4 ++--
 exercises/simple_interest/solution.py       | 5 +++--
 exercises/sum_two_numbers/solution.py       | 4 ++--
 4 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/exercises/celsius_to_fahrenheit/solution.py b/exercises/celsius_to_fahrenheit/solution.py
index fedf347..ce97bac 100644
--- a/exercises/celsius_to_fahrenheit/solution.py
+++ b/exercises/celsius_to_fahrenheit/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def celsius_to_fahrenheit(_celsius: float) -> float:
@@ -13,7 +13,10 @@ def celsius_to_fahrenheit(_celsius: float) -> float:
     >>> celsius_to_fahrenheit(-40)
     -40.0
     """
-    return 0.0
+    
+    farenheit=(_celsius * 9/5)+32
+    
+    return farenheit
 
 
 def test() -> None:
diff --git a/exercises/personalized_greeting/solution.py b/exercises/personalized_greeting/solution.py
index aed3a12..67fb92a 100644
--- a/exercises/personalized_greeting/solution.py
+++ b/exercises/personalized_greeting/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def personalized_greeting(_name: str, _age: int) -> str:
@@ -11,7 +11,7 @@ def personalized_greeting(_name: str, _age: int) -> str:
     >>> personalized_greeting("Bob", 30)
     'Hello Bob, you are 30 years old'
     """
-    return ""
+    return f"Hello {_name},you are {_age} years old"
 
 
 def test() -> None:
diff --git a/exercises/simple_interest/solution.py b/exercises/simple_interest/solution.py
index 944bc7f..27c6dab 100644
--- a/exercises/simple_interest/solution.py
+++ b/exercises/simple_interest/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def simple_interest(_principal: float, _rate: float, _time: float) -> float:
@@ -11,7 +11,8 @@ def simple_interest(_principal: float, _rate: float, _time: float) -> float:
     >>> simple_interest(500, 3.5, 1)
     17.5
     """
-    return 0.0
+    I=(_principal * _rate * _time) / 100
+    return I
 
 
 def test() -> None:
diff --git a/exercises/sum_two_numbers/solution.py b/exercises/sum_two_numbers/solution.py
index 6bed6c8..b789067 100644
--- a/exercises/sum_two_numbers/solution.py
+++ b/exercises/sum_two_numbers/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def sum_two_numbers(_a: int, _b: int) -> int:
@@ -13,7 +13,7 @@ def sum_two_numbers(_a: int, _b: int) -> int:
     >>> sum_two_numbers(0, 0)
     0
     """
-    return 0
+    return _a+_b
 
 
 def test() -> None:

From 436cc1082a0a831b787319519be734d0b10b56b5 Mon Sep 17 00:00:00 2001
From: Manu <160436552+manuNikaGod@users.noreply.github.com>
Date: Sat, 28 Mar 2026 22:20:53 +0100
Subject: [PATCH 4/5] todos los ejercicios de bucles

---
 exercises/factorial_iterative/solution.py |  9 +++++--
 exercises/linear_search/solution.py       | 10 ++++++--
 exercises/list_average/solution.py        |  7 ++++--
 exercises/list_mode/solution.py           | 13 ++++++++--
 exercises/min_max_list/solution.py        | 14 +++++++++--
 exercises/prefix_sums/solution.py         |  9 +++++--
 exercises/prime_check/solution.py         | 29 ++++++++++++-----------
 exercises/variable_swap/solution.py       |  3 ++-
 8 files changed, 67 insertions(+), 27 deletions(-)

diff --git a/exercises/factorial_iterative/solution.py b/exercises/factorial_iterative/solution.py
index 78bca9d..1c8e365 100644
--- a/exercises/factorial_iterative/solution.py
+++ b/exercises/factorial_iterative/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def factorial_iterative(_n: int) -> int:
@@ -11,7 +11,12 @@ def factorial_iterative(_n: int) -> int:
     >>> factorial_iterative(5)
     120
     """
-    return 0
+    if _n==0:
+        return 1
+    fact=1
+    for i in range(1,_n+1):
+        fact*=i
+    return fact
 
 
 def test() -> None:
diff --git a/exercises/linear_search/solution.py b/exercises/linear_search/solution.py
index ad4cb38..7ea070f 100644
--- a/exercises/linear_search/solution.py
+++ b/exercises/linear_search/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def linear_search(_items: list[int], _target: int) -> int:
@@ -12,7 +12,13 @@ def linear_search(_items: list[int], _target: int) -> int:
     >>> linear_search([], 5)
     -1
     """
-    return 0
+    
+    for i in range(len(_items)):
+        if _target==_items[i]:
+            
+            return i
+    
+    return -1
 
 
 def test() -> None:
diff --git a/exercises/list_average/solution.py b/exercises/list_average/solution.py
index 48fdf47..801c4ac 100644
--- a/exercises/list_average/solution.py
+++ b/exercises/list_average/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def list_average(_numbers: list[float]) -> float:
@@ -10,7 +10,10 @@ def list_average(_numbers: list[float]) -> float:
     >>> list_average([10, 20, 30])
     20.0
     """
-    return 0.0
+    sum=0
+    for i in _numbers:
+        sum+=i
+    return sum/len(_numbers)
 
 
 def test() -> None:
diff --git a/exercises/list_mode/solution.py b/exercises/list_mode/solution.py
index 304c15a..3392171 100644
--- a/exercises/list_mode/solution.py
+++ b/exercises/list_mode/solution.py
@@ -1,6 +1,6 @@
 from typing import Any
 
-SUBMIT = False
+SUBMIT = True
 
 
 def list_mode(_items: list[Any]) -> Any:
@@ -12,7 +12,16 @@ def list_mode(_items: list[Any]) -> Any:
     >>> list_mode(['a', 'b', 'a'])
     'a'
     """
-    return None
+    count = {}
+    if not _items:
+        return
+    for item in _items:
+        if item in count:
+            count[item] += 1
+        else:
+            count[item] = 1
+    
+    return max(count, key=count.get)
 
 
 def test() -> None:
diff --git a/exercises/min_max_list/solution.py b/exercises/min_max_list/solution.py
index fa46d23..75b1dc2 100644
--- a/exercises/min_max_list/solution.py
+++ b/exercises/min_max_list/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def min_max_list(_items: list[int]) -> tuple[int, int] | None:
@@ -12,7 +12,17 @@ def min_max_list(_items: list[int]) -> tuple[int, int] | None:
     >>> min_max_list([])
     None
     """
-    return (0, 0)
+    # El mayor entero que cabe en una "palabra" de memoria (64 bits)
+    a = float('inf')
+    b = float('-inf')
+    if  not _items:
+        return None
+    for i in _items:
+        if i > b:
+            b =i
+        if i < a:
+            a=i  
+    return (a,b)
 
 
 def test() -> None:
diff --git a/exercises/prefix_sums/solution.py b/exercises/prefix_sums/solution.py
index 1e3d167..fed0a4c 100644
--- a/exercises/prefix_sums/solution.py
+++ b/exercises/prefix_sums/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT =True
 
 
 def prefix_sums(_numbers: list[int]) -> list[int]:
@@ -10,7 +10,12 @@ def prefix_sums(_numbers: list[int]) -> list[int]:
     >>> prefix_sums([10, -10, 5])
     [10, 0, 5]
     """
-    return []
+    sumtotal=[]
+    answer=[]
+    for i in _numbers:
+        answer.append(sum(sumtotal)+i)
+        sumtotal.append(i)
+    return answer
 
 
 def test() -> None:
diff --git a/exercises/prime_check/solution.py b/exercises/prime_check/solution.py
index 3cb981b..2c92a65 100644
--- a/exercises/prime_check/solution.py
+++ b/exercises/prime_check/solution.py
@@ -1,19 +1,20 @@
-SUBMIT = False
+SUBMIT = True
 
 
-def prime_check(_n: int) -> bool:
-    # noqa: ARG001
-    """Checks if a number is prime.
-
-    Example usage:
-    >>> prime_check(2)
-    True
-    >>> prime_check(4)
-    False
-    >>> prime_check(17)
-    True
-    """
-    return False
+def prime_check(n: int) -> bool:
+   
+    if n <= 1:
+        return False
+    if n == 2:
+        return True   
+    if n % 2 == 0:
+        return False    
+    limite = int(n**0.5) + 1
+    
+    for i in range(3, limite, 2):
+        if n % i == 0:
+            return False            
+    return True 
 
 
 def test() -> None:
diff --git a/exercises/variable_swap/solution.py b/exercises/variable_swap/solution.py
index cceb784..211fc0f 100644
--- a/exercises/variable_swap/solution.py
+++ b/exercises/variable_swap/solution.py
@@ -1,6 +1,6 @@
 from typing import Any
 
-SUBMIT = False
+SUBMIT = True
 
 
 def variable_swap(a: Any, b: Any) -> tuple[Any, Any]:
@@ -12,6 +12,7 @@ def variable_swap(a: Any, b: Any) -> tuple[Any, Any]:
     >>> variable_swap("hello", "world")
     ('world', 'hello')
     """
+    a,b=b,a
     return a, b
 
 

From c2e17dae5a329c6c16a88c174b4d6777b26c1655 Mon Sep 17 00:00:00 2001
From: Manu <160436552+manuNikaGod@users.noreply.github.com>
Date: Sun, 29 Mar 2026 18:26:39 +0200
Subject: [PATCH 5/5] todos los ejercicios de string

---
 exercises/case_inverter/solution.py   |  4 ++--
 exercises/char_frequency/solution.py  |  7 +++++--
 exercises/count_vowels/solution.py    |  9 +++++++++
 exercises/string_reversal/solution.py | 11 +++--------
 exercises/word_count/solution.py      |  2 +-
 5 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/exercises/case_inverter/solution.py b/exercises/case_inverter/solution.py
index 4f8a5db..9bca15b 100644
--- a/exercises/case_inverter/solution.py
+++ b/exercises/case_inverter/solution.py
@@ -1,5 +1,5 @@
-SUBMIT = False
-
+SUBMIT = True
+#ya venia con la respuesta xd
 
 def case_inverter(s: str) -> str:  # noqa: ARG001
     """
diff --git a/exercises/char_frequency/solution.py b/exercises/char_frequency/solution.py
index 3a45f7f..b46ac49 100644
--- a/exercises/char_frequency/solution.py
+++ b/exercises/char_frequency/solution.py
@@ -1,11 +1,14 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def char_frequency(s: str) -> dict[str, int]:
     """Counts the frequency of each character in a string."""
     counts = {}
     for char in s:
-        counts[char] = counts.get(char, 0) + 1
+        if char in counts:
+            counts[char] += 1
+        else:
+            counts[char] = 1
     return counts
 
 
diff --git a/exercises/count_vowels/solution.py b/exercises/count_vowels/solution.py
index e03c7cf..eb3d7b1 100644
--- a/exercises/count_vowels/solution.py
+++ b/exercises/count_vowels/solution.py
@@ -1,5 +1,6 @@
 import ast
 from pathlib import Path
+SUBMIT = True
 
 def test_exercise_solutions_have_asserts() -> None:
     """Verify that all exercise solution stubs have a test() function with asserts."""
@@ -37,6 +38,14 @@ def test_exercise_solutions_have_asserts() -> None:
         )
 
 # Add a test function with an assert for count_vowels
+def count_vowels(s: str) -> int:
+    vowels = 'aeiouAEIOU'
+    count = 0
+    for char in s:
+        if char in vowels:
+            count += 1
+    return count
+
 def test():
     # Example: assert count_vowels("hello") == 2
     # For simplicity, we'll add a basic assert that checks function existence and returns true
diff --git a/exercises/string_reversal/solution.py b/exercises/string_reversal/solution.py
index 9f36e58..c006196 100644
--- a/exercises/string_reversal/solution.py
+++ b/exercises/string_reversal/solution.py
@@ -1,13 +1,8 @@
-SUBMIT = False
+SUBMIT = True
 
 
-def string_reversal(s: str) -> str:  # noqa: ARG001
-    """
-    Reverses a string.
-    """
-    # Add a basic assert to the stub to satisfy the test
-    assert True, "Placeholder assert for string reversal" # Placeholder assert
-    return ""
+def string_reversal(s: str) -> str:  
+    return s[::-1]
 
 
 def test() -> None:
diff --git a/exercises/word_count/solution.py b/exercises/word_count/solution.py
index 41c9a8d..2d5cc9d 100644
--- a/exercises/word_count/solution.py
+++ b/exercises/word_count/solution.py
@@ -1,4 +1,4 @@
-SUBMIT = False
+SUBMIT = True
 
 
 def word_count(s: str) -> int: