diff --git a/Python/calculator.py b/Python/calculator.py
new file mode 100644
index 0000000..08488df
--- /dev/null
+++ b/Python/calculator.py
@@ -0,0 +1,9 @@
+x = int(input("x: "))
+
+
+y = int(input("y: "))
+
+
+z = x / y
+
+print(f"{z:.50f}") #incantation
diff --git a/Python/cat.py b/Python/cat.py
index ba4ce7e..05d6ad9 100644
--- a/Python/cat.py
+++ b/Python/cat.py
@@ -1,3 +1,9 @@
-for _ i in range(3):
-    print("Meow")
+def main():
+    for i in range(3):
+        meow()
 
+def meow():
+    print("meow")
+
+if __name__ == "__main__":
+    main()
diff --git a/Python/dictionary.py b/Python/dictionary.py
index cabc1db..6d73135 100644
--- a/Python/dictionary.py
+++ b/Python/dictionary.py
@@ -3,13 +3,16 @@ words = set()
 def check(word):
     return word.lower() in words
 
+
 def load(dictionary):
     with open(dictionary) as file:
         words.update(file.read().splitlines())
         return True
 
-    def size():
+
+def size():
         return len(words)
 
-    def unload():
+
+def unload():
         return True
diff --git a/Python/hello.py b/Python/hello.py
index 94e67f0..c652b8e 100644
--- a/Python/hello.py
+++ b/Python/hello.py
@@ -1 +1,3 @@
-print ("Hello World")
+
+answer = input("What's your name? ")
+print(f"hello, {answer}")
diff --git a/Python/uppercase1.py b/Python/uppercase1.py
new file mode 100644
index 0000000..73fe4f8
--- /dev/null
+++ b/Python/uppercase1.py
@@ -0,0 +1,3 @@
+before = input("Before: ")
+after = before.upper()
+print(f"After: {after}")
diff --git a/hello1 b/hello1
new file mode 100755
index 0000000..f125449
Binary files /dev/null and b/hello1 differ
diff --git a/hello1.c b/hello1.c
new file mode 100644
index 0000000..7ef1106
--- /dev/null
+++ b/hello1.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <cs50.h>
+
+int main(void)
+
+{
+	string answer = get_string("What's your name? ");
+	printf("hello, %s\n, answer);
+}
+
diff --git a/hello2 b/hello2
new file mode 100755
index 0000000..f125449
Binary files /dev/null and b/hello2 differ