diff --git a/exercicios/para-casa/exercicio-casa.py b/exercicios/para-casa/exercicio-casa.py
new file mode 100644
index 0000000..5271176
--- /dev/null
+++ b/exercicios/para-casa/exercicio-casa.py
@@ -0,0 +1,27 @@
+
+
+import unittest
+
+from testefonte import calculaMedia
+
+class testCalculaMedia (unittest.TestCase):
+    def test_media_lista_vazia(self):
+        resultado = calculaMedia([])
+        self.assertEqual(resultado,[])
+
+    def test_media_lista_str_float(self):
+        resultado = calculaMedia(['1.5',2.5,2.5])
+        self.assertAlmostEqual(resultado, 2.166)
+
+    def test_media_lista_int_float(self):
+        resultado = calculaMedia([2,2.3,3.5])
+        self.assertEqual(resultado,2,6)
+
+    def test_media_lista_tupla_lista(self):
+        resultado = calculaMedia([('10'), 20])
+        self.assertEqual(resultado,[('10'), 20])
+
+if name == 'main':
+    unittest.main()
+
+#realizado em grupo
\ No newline at end of file
diff --git a/exercicios/para-casa/exercicio-sala-divispy b/exercicios/para-casa/exercicio-sala-divispy
new file mode 100644
index 0000000..28c9ef8
--- /dev/null
+++ b/exercicios/para-casa/exercicio-sala-divispy
@@ -0,0 +1,24 @@
+
+
+def divisao ( self, a, b):
+    if b == 0:
+        raise ValueError("Não a divisão por zero")
+    return a / b
+    
+import unittest
+
+class TestDivisao (unittest.TestCase):
+    def test_divisao_positivos(self):
+        self.assertEqual (divisao(2, 3), 5) 
+    
+    def test_divisao_negativos (self):
+        self.assertEqual (divisao(-2,-3),-5) 
+   
+    def test_divisao_zeros (self):
+        self.assertEqual (divisao(0,0),0) 
+        
+    def test_divisao_positivo_negativo (self):
+        self.assertEqual (divisao(-5, 3),-2) 
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file
diff --git a/exercicios/para-casa/exercicio-sala-multi.py b/exercicios/para-casa/exercicio-sala-multi.py
new file mode 100644
index 0000000..f7f2a2c
--- /dev/null
+++ b/exercicios/para-casa/exercicio-sala-multi.py
@@ -0,0 +1,22 @@
+
+
+def multiplicacao (a, b):
+    return a * b
+    
+import unittest
+
+class TestMultiplicacao (unittest.TestCase):
+    def test_multiplicacao_positivos(self):
+        self.assertEqual (multiplicacao(2, 3), 5) 
+    
+    def test_multiplicacao_negativos (self):
+        self.assertEqual (multiplicacao(-2,-3),-5) 
+   
+    def test_multiplicacao_zeros (self):
+        self.assertEqual (multiplicacao(0,0),0) 
+        
+    def test_multiplicacao_positivo_negativo (self):
+        self.assertEqual (multiplicacao(-5, 3),-2) 
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file
diff --git a/exercicios/para-casa/exercicio-sala-sub.py b/exercicios/para-casa/exercicio-sala-sub.py
new file mode 100644
index 0000000..50dffac
--- /dev/null
+++ b/exercicios/para-casa/exercicio-sala-sub.py
@@ -0,0 +1,22 @@
+
+
+def subtrair (a, b):
+    return a - b
+    
+import unittest
+
+class TestSubtrair (unittest.TestCase):
+    def test_subtrair_positivos(self):
+        self.assertEqual (subtrair(2, 3), 5) 
+    
+    def test_subtrair_negativos (self):
+        self.assertEqual (subtrair(-2,-3),-5) 
+   
+    def test_subtrair_zeros (self):
+        self.assertEqual (subtrair(0,0),0) 
+        
+    def test_subtrair_positivo_negativo (self):
+        self.assertEqual (subtrair(-5, 3),-2) 
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file
diff --git a/exercicios/para-casa/sala-casa.py b/exercicios/para-casa/sala-casa.py
new file mode 100644
index 0000000..33bcfe4
--- /dev/null
+++ b/exercicios/para-casa/sala-casa.py
@@ -0,0 +1,25 @@
+
+# Tentar quebrar o código de média aritmética 
+## Calculando a média de uma lista 
+
+def calcular_media(numeros):
+    if not numeros:
+        return 0
+    
+    return sum(numeros) / len(numeros)
+import unittest
+from atividade_testes_media import calcular_media
+
+class TestCalcularMedia(unittest.TestCase):
+    def test_media_lista_vazia(self):
+        resultado = calcular_media([])
+        self.assertEqual(resultado, 0)
+if name_ == "__main__":
+    unittest.main()
+      
+
+
+
+
+
+
diff --git a/exercicios/para-sala/exercicio-sala01.py b/exercicios/para-sala/exercicio-sala01.py
new file mode 100644
index 0000000..0d907e1
--- /dev/null
+++ b/exercicios/para-sala/exercicio-sala01.py
@@ -0,0 +1,23 @@
+
+
+
+def soma (a,b):
+    return a + b
+
+import unittest
+
+class TestSoma (unittest.TestCase):
+    def test_soma_positivos(self):
+        self.assertEqual (soma(2, 3), 5) 
+    
+    def test_soma_negativos (self):
+        self.assertEqual (soma(-2,-3),-5) 
+   
+    def test_soma_zeros (self):
+        self.assertEqual (soma(0,0),0) 
+        
+    def test_soma_positivo_negativo (self):
+        self.assertEqual (soma(-5, 3),-2) 
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file