Fix typo

Author: ViniciusAntunesOliveira

physics/first_law_of_thermodynamics.py

@@ -20,7 +20,7 @@
 """
 
 
-def check_args(argument: float) -> None:
+def __check_args(argument: float) -> None:
     """
     Check that the arguments are valid
     """
@@ -30,7 +30,7 @@ def check_args(argument: float) -> None:
         raise TypeError("Invalid argument. Should be an integer or float.")
 
 
-def categorize_system(argument_value: float, argument_name: str) -> None:
+def __categorize_system(argument_value: float, argument_name: str) -> None:
     """
     Categorizes the system based on the work done, heat added/removed,
     and internal energy variation.
@@ -79,14 +79,14 @@ def work(heat: float, internal_energy_variation: float) -> float:
     The system is compressing.
     -70.0
     """
-    check_args(heat)
-    check_args(internal_energy_variation)
+    __check_args(heat)
+    __check_args(internal_energy_variation)
 
-    categorize_system(heat, "heat")
-    categorize_system(internal_energy_variation, "internal_energy_variation")
+    __categorize_system(heat, "heat")
+    __categorize_system(internal_energy_variation, "internal_energy_variation")
 
     work = heat - internal_energy_variation
-    categorize_system(work, "work")
+    __categorize_system(work, "work")
     return round(work, 1)
 
 def heat(internal_energy_variation: float, work: float) -> float:
@@ -107,14 +107,14 @@ def heat(internal_energy_variation: float, work: float) -> float:
     The system is exothermic (releasing heat).
     -50.0
     """
-    check_args(internal_energy_variation)
-    check_args(work)
+    __check_args(internal_energy_variation)
+    __check_args(work)
 
-    categorize_system(internal_energy_variation, "internal_energy_variation")
-    categorize_system(work, "work")
+    __categorize_system(internal_energy_variation, "internal_energy_variation")
+    __categorize_system(work, "work")
 
     heat = round(internal_energy_variation + work, 1)
-    categorize_system(heat, "heat")
+    __categorize_system(heat, "heat")
     return heat
 
 def internal_energy_variation(heat: float, work: float) -> float:
@@ -135,14 +135,14 @@ def internal_energy_variation(heat: float, work: float) -> float:
     The internal energy of the system is increasing. It heating up.
     20.0
     """
-    check_args(heat)
-    check_args(work)
+    __check_args(heat)
+    __check_args(work)
 
-    categorize_system(heat, "heat")
-    categorize_system(work, "work")
+    __categorize_system(heat, "heat")
+    __categorize_system(work, "work")
 
     internal_energy_variation = round(heat - work, 1)
-    categorize_system(internal_energy_variation, "internal_energy_variation")
+    __categorize_system(internal_energy_variation, "internal_energy_variation")
     return internal_energy_variation
 
 if __name__ == "__main__":