diff --git a/Bonus.py b/Bonus.py
new file mode 100644
index 0000000..06656f6
--- /dev/null
+++ b/Bonus.py
@@ -0,0 +1,12 @@
+def funcStr(text:str):
+    if type(text) != str:
+        return"error:input must be string"
+    result= " "
+    for char in text:
+       if char.isupper():
+           result += " "+ char.lower()
+       else:
+           result+=char
+    return result
+print(funcStr("HI SHARIFAH"))
+         
\ No newline at end of file
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..732165b
--- /dev/null
+++ b/main.py
@@ -0,0 +1,11 @@
+def find_primes(start ,end):
+    print(f"primes between {start} and {end} are:")
+    for num in range(start,end+1):
+
+        if num >1:
+            for i in range(2,int(num//2)+1):
+                if (num % i) ==0:
+                    break
+            else:
+              print(num)
+find_primes(33,73)
\ No newline at end of file