Fixed typo in training method

Neural_Network/perceptron.py

@@ -25,7 +25,7 @@ class Perceptron:
         self.col_sample = len(sample[0])
         self.weight = []
 
-    def trannig(self):
+    def trainnig(self):
         for sample in self.sample:
             sample.insert(0, self.bias)
 
@@ -121,4 +121,4 @@ while True:
     sample = []
     for i in range(3):
         sample.insert(i, float(input('value: ')))
-    network.sort(sample)
+    network.sort(sample)