updated repository with strict typechecking

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "python.analysis.inlayHints.functionReturnTypes": true,
+    "python.analysis.inlayHints.pytestParameters": true,
+    "python.analysis.inlayHints.variableTypes": true,
+    "python.analysis.typeCheckingMode": "strict"
+}

blastoff/main.py

@@ -1,5 +1,6 @@
-from time import \
+from time import (
-    sleep  # the sleep function adds a delay, allowing time to tick down by a second rather than instantly
+    sleep,  # the sleep function adds a delay, allowing time to tick down by a second rather than instantly
+)
 
 
 def countdown(n: int) -> None:
@@ -25,5 +26,5 @@ def count(n: int) -> None:        #this part of the code checks to see if a numb
         countup(n)                #If negative, we'll utilize the countup function
 
 if __name__ == "__main__":
-    num = input("Enter a number: ")
+    num: str = input("Enter a number: ")
     count(int(num))

division/main.py

@@ -5,29 +5,26 @@ GREEN = "\033[32m"  # Green
 RESET = "\033[0m"  # Reset to default color
 
 
-def divide(x: float, y: float) -> float | None:
+def divide(x: float, y: float) -> float:
-    try:  # This function checks to see if we can convert the input into a float
     x = float(x)  # Tries to convert the x argument into a float
     y = float(y)  # tries to convert the y argument into a float
-    except ValueError:
-        return print(
-            f"{RED}You cannot divide by strings!{RESET}"
-        )  # if the input was unable to be turned into a float, it prints out an error stating that you cannot print out strings
 
     if y == 0:  # This argument checks to see if the inputted y is a 0
-        return print(
+        raise ZeroDivisionError  # If the Y does check out to be a zero, we raise an error that you cannot divide by zero
-            f"{RED}You cannot divide by 0!{RESET}"
-        )  # If the Y does check out to be a zero, we print out the error that you cannot divide by zero
     return float(x / y)
 
 
 if __name__ == "__main__":
-    x = input(
+    x: str = input(
         f"{BLUE}Input a number to divide:{RESET} "
     )  # Allows us to input a number for X to divide
-    y = input(
+    y: str = input(
         f"{BLUE}Input a number to divide by:{RESET} "
     )  # Allows us to input a number for Y to divide x by
-    result = divide(x, y)
+    try:
-    if result is not None:
+        result: float = divide(float(x), float(y))
         print(f"{GREEN}{result}{RESET}")
+    except (ZeroDivisionError, ValueError) as e:
+        if isinstance(e, ZeroDivisionError):
+            print(f"{RED}You cannot divide by zero!{RESET}")
+        print(f"{RED}Please do not input strings!{RESET}")

hypotenuse/main.py

@@ -12,10 +12,10 @@ def calculate_hypotenuse(x: float, y: float) -> float:
     return sqrt(x**2 + y**2)
 
 if __name__ == "__main__":
-    x = input(f"{BLUE}Input your A:{RESET} ")
+    x: str = input(f"{BLUE}Input your A:{RESET} ")
-    y = input(f"{BLUE}Input your B:{RESET} ")
+    y: str = input(f"{BLUE}Input your B:{RESET} ")
     try:
-        result = calculate_hypotenuse(x,y)
+        result: float = calculate_hypotenuse(float(x), float(y))
         print(f"{GREEN}{round(result)} ({result}){RESET}")
     except ValueError:
         print(f"{RED}Please do not input strings.{RESET}")

online_store/main.py

@@ -1,4 +1,6 @@
-prices_dict = {
+from typing import Any, Literal, Union
+
+prices_dict: dict[str, int] = {
     "grapes": 200,
     "oranges": 400,
     "apples": 600
@@ -25,11 +27,11 @@ def get_discounted_prices(*prices: int) -> float:
 
     return float(price_sum)
 
-def print_row(item: str, price: str, bold: bool = False) -> None:
+def print_row(item: str, price: Union[str, Any], bold: bool = False) -> None:
     # ANSI color codes
     blue = "\033[34m"  # Blue
     green = "\033[32m"  # Green
-    bold_s = "\033[1m" if bold is True else ""    # Bold, use an empty string instead of None, because None will be converted to a string by print()
+    bold_s: Literal['\u001b[1m'] | Literal[''] = "\033[1m" if bold is True else ""    # Bold, use an empty string instead of None, because None will be converted to a string by print()
     reset = "\033[0m"   # Reset to default color
 
     # apply ansi styling for bold, then blue, then offset the first string by 25 characters to the left.