add files

equation_of_line.py

@@ -0,0 +1,20 @@
+def equation_of_line(values):
+    b = values[0]
+    k = values[1] - b
+    
+    if any(y != k * x + b for x, y in enumerate(values, 0)):
+        return
+    
+    res = ""
+    
+    if k:
+        res += f"{'-' if k == -1 else k != 1 and k or ''}x"
+    
+    if b:
+        res += (res and " ") + "+-"[b < 0] + str(abs(b))
+    return f"y = {res}"
+        
+
+
+v = [0, -1, -2, -3, -4]
+print(equation_of_line(v))