sol(cs50-python): pset4

cs50-python/pset4/adieu/README.md

@@ -0,0 +1 @@
+https://cs50.harvard.edu/python/2022/psets/4/adieu/

cs50-python/pset4/adieu/adieu.py

@@ -0,0 +1,12 @@
+import inflect
+
+p = inflect.engine()
+
+names = []
+while True:
+    try:
+        names.append(input("Name: "))
+    except EOFError:
+        break
+
+print(f"\nAdieu, adieu, to {p.join(names)}")

cs50-python/pset4/bitcoin/README.md

@@ -0,0 +1 @@
+https://cs50.harvard.edu/python/2022/psets/4/bitcoin/

cs50-python/pset4/bitcoin/bitcoin.py

@@ -0,0 +1,22 @@
+import sys
+
+import requests
+
+if len(sys.argv) != 2:
+    sys.exit("Missing command-line argument")
+
+try:
+    bitcoin = float(sys.argv[1])
+except ValueError:
+    sys.exit("Command-line argument is not a number")
+
+
+try:
+    response = requests.get(
+        "https://api.coindesk.com/v1/bpi/currentprice.json", timeout=1
+    )
+except (requests.RequestException, requests.Timeout) as error:
+    sys.exit(f"Request error:\n{error}")
+
+bitcoin_rate = response.json()["bpi"]["USD"]["rate_float"]
+print(f"${bitcoin_rate * bitcoin:,.4f}")

cs50-python/pset4/emojize/README.md

@@ -0,0 +1 @@
+https://cs50.harvard.edu/python/2022/psets/4/emojize/

cs50-python/pset4/emojize/emojize.py

@@ -0,0 +1,4 @@
+from emoji import emojize
+
+emoji_input = input("Input: ")
+print(f"Output: {emojize(emoji_input, language='alias')}")

cs50-python/pset4/figlet/README.md

@@ -0,0 +1 @@
+https://cs50.harvard.edu/python/2022/psets/4/figlet/

cs50-python/pset4/figlet/figlet.py

@@ -0,0 +1,34 @@
+import sys
+from random import choice
+
+from pyfiglet import Figlet
+
+
+def main():
+    figlet = Figlet()
+
+    if len(sys.argv) != 1 and len(sys.argv) != 3:
+        print("Invalid usage")
+        sys.exit(1)
+    if len(sys.argv) == 3:
+        is_invalid_font_flag = sys.argv[1] != "-f" and sys.argv[1] != "--font"
+        is_invalid_font_name = sys.argv[2] not in figlet.getFonts()
+        if is_invalid_font_flag or is_invalid_font_name:
+            print("Invalid usage")
+            sys.exit(1)
+
+    font = get_font_choice(figlet)
+    my_string = input("Input: ")
+    figlet.setFont(font=font)
+
+    print(figlet.renderText(my_string))
+
+
+def get_font_choice(figlet):
+    if len(sys.argv) == 3:
+        return sys.argv[2]
+    return choice(figlet.getFonts())
+
+
+if __name__ == "__main__":
+    main()

cs50-python/pset4/game/README.md

@@ -0,0 +1 @@
+https://cs50.harvard.edu/python/2022/psets/4/game/

cs50-python/pset4/game/game.py

@@ -0,0 +1,24 @@
+import random
+
+while True:
+    try:
+        level = int(input("Level: "))
+        if level > 0:
+            break
+    except ValueError:
+        pass
+
+answer = random.randint(1, level)
+
+while True:
+    try:
+        guess = int(input("Guess: "))
+        if guess < answer:
+            print("Too small!")
+        elif guess > answer:
+            print("Too large!")
+        else:
+            print("Just right!")
+            break
+    except ValueError:
+        pass

cs50-python/pset4/professor/README.md

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+https://cs50.harvard.edu/python/2022/psets/4/professor/

cs50-python/pset4/professor/professor.py

@@ -0,0 +1,49 @@
+import random
+
+
+def main():
+    score = 0
+    level = get_level()
+    problems = [generate_integer(level) for _ in range(10)]
+
+    for problem in problems:
+        tries = 0
+        while True:
+            print(f"{problem[0]} + {problem[1]} = ", end="")
+            try:
+                answer = int(input())
+                if problem[0] + problem[1] != answer:
+                    raise ValueError
+                score += 1
+                break
+            except ValueError:
+                print("EEE")
+                tries += 1
+                if tries == 3:
+                    print(f"{problem[0]} + {problem[1]} = {problem[0] + problem[1]}")
+                    break
+
+    print(f"Score: {score}")
+
+
+def get_level():
+    while True:
+        try:
+            level = int(input("Level: "))
+            if level in range(1, 4):
+                return level
+        except ValueError:
+            pass
+
+
+def generate_integer(level):
+    if level == 1:
+        return random.randint(0, 9), random.randint(0, 9)
+    elif level == 2:
+        return random.randint(10, 99), random.randint(10, 99)
+    else:
+        return random.randint(100, 999), random.randint(100, 999)
+
+
+if __name__ == "__main__":
+    main()

flake.nix

@@ -138,6 +138,16 @@
                 certifi
                 cachelib
                 werkzeug
+
+                # requirements for cs50-python/pset4/emojize
+                emoji
+
+                # requirements for cs50-python/pset4/figlet
+                pyfiglet
+
+                # requirements for cs50-python/pset4/adieu
+                inflect
+                pydantic
               ]);
             }
           ];