diff --git a/Intro/responses.txt b/Intro/responses.txt
index 8b13789..ec52f2f 100644
--- a/Intro/responses.txt
+++ b/Intro/responses.txt
@@ -1 +1 @@
-
+My name is Kachi. I'm so excited for comp. 
diff --git a/Python/random_ints.py b/Python/random_ints.py
new file mode 100644
index 0000000..cb770d0
--- /dev/null
+++ b/Python/random_ints.py
@@ -0,0 +1,25 @@
+import random
+
+def random_ints():
+    ans = []
+    while True:
+        n = random.randint(1, 10)
+        ans.append(n)
+        if n == 6:
+            return ans
+
+
+def test():
+    N = 10000
+    total_length = 0
+    for i in range(N):
+        l = random_ints()
+        assert not 0 in l
+        assert not 11 in l
+        assert l[-1] == 6
+        total_length += len(l)
+    assert abs(total_length / N - 10) < 1 # checks that the length of the random strings are reasonable.
+    print("Success!")
+
+if __name__ == "__main__":
+    test()
diff --git a/Python/rm_smallest.py b/Python/rm_smallest.py
new file mode 100644
index 0000000..08fffea
--- /dev/null
+++ b/Python/rm_smallest.py
@@ -0,0 +1,28 @@
+def rm_smallest(d):
+    ans = d
+    length = len(ans)
+    keys = list(ans)
+    if length == 0 or length == 1:
+        return {}
+    else:
+        lst = list(ans.values())
+        min = lst[0]
+        index = 0
+        for i in range(len(lst)):
+            if lst[i] < min:
+                min = lst[i]
+                index = i
+        del ans[keys[index]]
+    print(ans)
+    return ans
+
+    
+def test():
+    assert 'a' in rm_smallest({'a':1,'b':-10}).keys()
+    assert not 'b' in rm_smallest({'a':1,'b':-10}).keys()
+    assert not 'a' in rm_smallest({'a':1,'b':5,'c':3}).keys()
+    rm_smallest({})
+    print("Success!")
+
+if __name__ == "__main__":
+    test()
\ No newline at end of file
diff --git a/Python/square_root.py b/Python/square_root.py
new file mode 100644
index 0000000..d1ed1ac
--- /dev/null
+++ b/Python/square_root.py
@@ -0,0 +1,17 @@
+import math
+
+def square_root(n):
+    if not str(n).isdigit():
+        return -1
+    else:
+        return math.sqrt(n)
+
+def test():
+    assert square_root(4) == 2
+    assert square_root(0) == 0
+    assert square_root("hello") == -1
+    assert square_root(-10) == -1
+    print("Success!")
+
+if __name__ == "__main__":
+    test()
\ No newline at end of file
diff --git a/Python/sum.py b/Python/sum.py
new file mode 100644
index 0000000..1b49c27
--- /dev/null
+++ b/Python/sum.py
@@ -0,0 +1,15 @@
+def sum(lst, n):
+    ans = 0
+    for i in lst:
+        ans += i
+    
+    return ans == n
+
+def test():
+    assert sum([-1, 1], 0)
+    assert not sum([0,2,3], 4)
+    assert sum([0,2,2], 4)
+    print("Success!")
+
+if __name__ == "__main__":
+    test()
\ No newline at end of file