refactoring: added new lines

src/main/py/read_math_function.py

@@ -78,6 +78,7 @@ def extract_constant(function):
     constant = constant.lstrip("+")
     return [constant, f"{coefficient}x"]
 
+
 def simplify_exponential_function(type, function):
     if type != "e":
         return False
@@ -95,6 +96,7 @@ def simplify_exponential_function(type, function):
     else:
         return [f"{new_coefficient}x^{new_exponent}"]
 
+
 def simplify_product_function(type, function):
     if type != "p":
         return False
@@ -110,6 +112,7 @@ def simplify_product_function(type, function):
         result_variables += term_variables
         return [f"{result_variables}^{len(terms)}"]
 
+
 def sum_of_simplified_exponential_functions(type, function):
     if type !="se":
         return False