diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..b634d85
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.pdf filter=lfs diff=lfs merge=lfs -text
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6f66c74
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.zip
\ No newline at end of file
diff --git a/zad1/main.py b/zad1/main.py
index ad366ae..df313af 100644
--- a/zad1/main.py
+++ b/zad1/main.py
@@ -39,21 +39,19 @@ def sample_standard_deviation(lst, lst_mean):
 
 def q1(lst, lst_median):
     is_even = len(lst) % 2 == 0
-    idx = len(lst)//2 if is_even else len(lst)//2+1
+    idx = len(lst)//2
     sorted_list = lst[:idx]
-    if is_even:
+    if not is_even:
         sorted_list.append(lst_median)
-
     return median(sorted_list)
 
-#
+
 def q3(lst, lst_median):
     is_even = len(lst) % 2 == 0
-    idx = len(lst)//2+1 if is_even else len(lst)//2
+    idx = len(lst)//2 if is_even else len(lst)//2+1
     sorted_list = lst[idx:]
-    if is_even:
+    if not is_even:
         sorted_list.insert(0, lst_median)
-
     return median(sorted_list)
 
 
@@ -186,7 +184,6 @@ def main():
         petal_width_list.append(float(petal_width))
         species_dict[species] += 1
 
-
     sepal_length_list.sort()
     sepal_width_list.sort()
     petal_length_list.sort()
diff --git a/zad1/ml_195642_zad1.pdf b/zad1/ml_195642_zad1.pdf
new file mode 100644
index 0000000..50bfc3b
--- /dev/null
+++ b/zad1/ml_195642_zad1.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8938c77c3c7c2be04320e6f6e319af59cc0f01c0f8b9ef4f25304537291317bf
+size 134137