Merge pull request #5154 from marcoatrs/main

Reto #28 - Python
mouredev · Sep 30, 2023 · b7f575b · b7f575b
2 parents 2820a23 + 3e2833f
commit b7f575b
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/Retos/Reto #28 - EXPRESIÓN MATEMÁTICA [Media]/python/marcoatrs.py b/Retos/Reto #28 - EXPRESIÓN MATEMÁTICA [Media]/python/marcoatrs.py
@@ -0,0 +1,19 @@
+signos_permitidos = "0123456789+-/*% "
+parejas_invalidas = ["*/", "/*", "%/", "/%", "*%", "%*", "%%", "+/", "-/"]
+
+
+def expresion_matematica(expresion: str) -> bool:
+    # Caracter invalido
+    for c in expresion:
+        if c not in signos_permitidos:
+            return False
+    # Signos dobles
+    expresion = expresion.replace(" ", "")
+    for par in parejas_invalidas:
+        if par in expresion:
+            return False
+    return True
+
+print(expresion_matematica("2 + 4"))
+print(expresion_matematica("2 + /4"))
+print(expresion_matematica("2 +y 4"))