added spam detection

Author: mrayanasim09

machine_learning/spam_dect.py

@@ -0,0 +1,23 @@
+#This code is made by MRayan Asim
+#pip install pandas
+#pip install numpy
+#pip install scikit-learn
+import pandas as pd
+import numpy as np
+from sklearn.feature_extraction.text import CountVectorizer
+from sklearn.model_selection import train_test_split
+from sklearn.naive_bayes import MultinomialNB
+data = pd.read_csv("https://raw.githubusercontent.com/amankharwal/SMS-Spam-Detection/master/spam.csv", encoding= 'latin-1')
+data.head()
+data = data[["class", "message"]]
+x = np.array(data["message"])
+y = np.array(data["class"])
+cv = CountVectorizer()
+X = cv.fit_transform(x) # Fit the Data
+X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.33, random_state=42)
+
+clf = MultinomialNB()
+clf.fit(X_train,y_train)
+sample = input('Enter a message:')
+data = cv.transform([sample]).toarray()
+print(clf.predict(data))