diff --git a/Seminar 3/homework/problem2-solved.py b/Seminar 3/homework/problem2-solved.py
new file mode 100644
index 0000000..b10bea1
--- /dev/null
+++ b/Seminar 3/homework/problem2-solved.py	
@@ -0,0 +1,16 @@
+from math import ceil, floor
+
+EMPTY_SPACE = ' '
+CHAR_TO_REPEAT = '*'
+
+lines_number = int(input("Enter a number: "))
+lines_number /= 2
+line = 0
+while line < lines_number:
+    print(EMPTY_SPACE * (ceil(lines_number) - line - 1) + CHAR_TO_REPEAT * (line * 2 + 1))
+    line+=1
+
+lines_number -= 1
+while lines_number >= 0:
+    print(EMPTY_SPACE * (line - floor(lines_number) - 1) + CHAR_TO_REPEAT * (floor(lines_number) * 2 + 1))
+    lines_number-=1
\ No newline at end of file
diff --git a/Seminar 3/homework/problem3-solved.py b/Seminar 3/homework/problem3-solved.py
new file mode 100644
index 0000000..954c411
--- /dev/null
+++ b/Seminar 3/homework/problem3-solved.py	
@@ -0,0 +1,10 @@
+EMPTY_SPACE = ' '
+CHAR_TO_REPEAT = '*'
+
+lines_number = int(input("Enter a number: "))
+line = 0
+while line < lines_number - 1:
+    print(EMPTY_SPACE * (lines_number - line - 1) + CHAR_TO_REPEAT * (line * 2 + 1))
+    line+=1
+
+print(EMPTY_SPACE * (lines_number - 1) + CHAR_TO_REPEAT)
\ No newline at end of file