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diff --git a/Python/8_string_to_integer_atoi/__pycache__/test_solution.cpython-312-pytest-7.4.4.pyc b/Python/8_string_to_integer_atoi/__pycache__/test_solution.cpython-312-pytest-7.4.4.pyc
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diff --git a/Python/8_string_to_integer_atoi/solution.py b/Python/8_string_to_integer_atoi/solution.py
new file mode 100644
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+++ b/Python/8_string_to_integer_atoi/solution.py
@@ -0,0 +1,28 @@
+def my_atoi(s: str) -> int:
+    if not s:
+        return 0
+    
+    i, n = 0, len(s)
+    INT_MAX = 2**31 - 1
+    INT_MIN = -2**31
+    
+    while i < n and s[i] == ' ':
+        i += 1
+    
+    sign = 1
+    if i < n and s[i] in ['+', '-']:
+        if s[i] == '-':
+            sign = -1
+        i += 1
+    
+    result = 0
+    while i < n and '0' <= s[i] <= '9':
+        digit = ord(s[i]) - ord('0')
+
+        if result > INT_MAX // 10 or (result == INT_MAX // 10 and digit > 7):
+            return INT_MAX if sign == 1 else INT_MIN
+
+        result = result * 10 + digit
+        i += 1
+        
+    return result * sign
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diff --git a/Python/8_string_to_integer_atoi/test_solution.py b/Python/8_string_to_integer_atoi/test_solution.py
new file mode 100644
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+++ b/Python/8_string_to_integer_atoi/test_solution.py
@@ -0,0 +1,19 @@
+# test_solution.py
+from solution import my_atoi
+
+def test_simple_positive_number():
+    assert my_atoi("42") == 42
+
+def test_handles_whitespace_and_negative_sign():
+    assert my_atoi("   -42") == -42
+
+def test_stops_at_non_digit_characters():
+    assert my_atoi("4193 with words") == 4193
+
+def test_clamps_to_max_int_on_overflow():
+    INT_MAX = 2**31 - 1
+    assert my_atoi("2147483648") == INT_MAX
+
+def test_clamps_to_min_int_on_underflow():
+    INT_MIN = -2**31
+    assert my_atoi("-2147483649") == INT_MIN
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