diff --git a/submissions/KrishnaSingh/FibonacciNumber/Screenshot01.png b/submissions/KrishnaSingh/FibonacciNumber/Screenshot01.png
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index 0000000..fbef00b
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diff --git a/submissions/KrishnaSingh/FibonacciNumber/Solution.py b/submissions/KrishnaSingh/FibonacciNumber/Solution.py
new file mode 100644
index 0000000..a3bbb36
--- /dev/null
+++ b/submissions/KrishnaSingh/FibonacciNumber/Solution.py
@@ -0,0 +1,11 @@
+class Solution:
+    def fib(self, n):
+        if n == 0:
+            return 0
+        elif n == 1:
+            return 1
+
+        a, b = 0, 1
+        for i in range(2, n + 1):
+            a, b = b, a + b
+        return b
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diff --git a/submissions/KrishnaSingh/TwoSum/Screenshot02.png b/submissions/KrishnaSingh/TwoSum/Screenshot02.png
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diff --git a/submissions/KrishnaSingh/TwoSum/Solution.py b/submissions/KrishnaSingh/TwoSum/Solution.py
new file mode 100644
index 0000000..1fe2191
--- /dev/null
+++ b/submissions/KrishnaSingh/TwoSum/Solution.py
@@ -0,0 +1,11 @@
+class Solution:
+    def twoSum(self, nums, target):
+        seen = {}  
+
+        for i, num in enumerate(nums):
+            complement = target - num
+            if complement in seen:
+                return [seen[complement], i]
+            seen[num] = i
+
+        
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