Preparing git repo for final project

problems/pset0/einstein/einstein.py

@@ -0,0 +1,16 @@
+c = 300000000
+
+
+def compute_energy():
+    mass = None
+    while not isinstance(mass, int):
+        input_string = input("Enter a mass:\t\t")
+        try:
+            mass = int(input_string)
+        except (ValueError, TypeError):
+            mass = None
+    print(mass*(c**2))
+
+
+if __name__ == "__main__":
+    compute_energy()

problems/pset0/faces/faces.py

@@ -0,0 +1,9 @@
+def replace_emoticons_with_emojis():
+    input_string = input("Say something quickly and I will repeat it slowly!\t\t")
+    for emoticon, emoji in {':)': '🙂', ':(': '🙁'}.items():
+        input_string = input_string.replace(emoticon, emoji)
+    print(input_string)
+
+
+if __name__ == "__main__":
+    replace_emoticons_with_emojis()

problems/pset0/indoor/indoor.py

@@ -0,0 +1,7 @@
+def prompt_user_and_echo_lowercase():
+    input_string = input("Shout me something and I will repeat it with indoor voice!\t\t")
+    print(input_string.lower())
+
+
+if __name__ == "__main__":
+    prompt_user_and_echo_lowercase()

problems/pset0/playback/playback.py

@@ -0,0 +1,7 @@
+def prompt_user_and_echo_lowercase():
+    input_string = input("Say something quickly and I will repeat it slowly!\t\t")
+    print(input_string.replace(' ', '...'))
+
+
+if __name__ == "__main__":
+    prompt_user_and_echo_lowercase()

problems/pset0/tip/tip.py

@@ -0,0 +1,17 @@
+def main():
+    dollars = dollars_to_float(input("How much was the meal? "))
+    percent = percent_to_float(input("What percentage would you like to tip? "))
+    tip = dollars * percent
+    print(f"Leave ${tip:.2f}")
+
+
+def dollars_to_float(d):
+    return float(d[1:])
+
+
+def percent_to_float(p):
+    return float(p[:-1])/100
+
+
+if __name__ == "__main__":
+    main()