diff --git a/2. max.py b/2. max.py
new file mode 100644
index 0000000..cfe3c23
--- /dev/null
+++ b/2. max.py	
@@ -0,0 +1,14 @@
+huge = 1
+big = 0
+a = 1
+while a > 0:
+    a = int(input())
+
+    if a > big and a > huge:
+        big = huge
+        huge = a
+
+    if a > big and a < huge:
+        big = a
+
+print(big)
\ No newline at end of file
diff --git a/Chasy.py b/Chasy.py
new file mode 100644
index 0000000..bc915b3
--- /dev/null
+++ b/Chasy.py
@@ -0,0 +1,12 @@
+min = int(input())
+if min > 1439:
+    alfa = min // 1440
+    min = min - alfa * 1440
+
+if min < 60:
+    print(0, ' ', min)
+
+if min >= 60:
+    hour = min // 60
+    min = min - hour * 60
+    print(hour, ' ', min)
diff --git a/Factorial.py b/Factorial.py
new file mode 100644
index 0000000..46d293a
--- /dev/null
+++ b/Factorial.py
@@ -0,0 +1,8 @@
+n = int(input())
+sum = 0
+fact = 1
+for i in range(1, n + 1):
+    fact = i * fact
+    sum = sum + fact
+
+print(sum)
\ No newline at end of file
diff --git a/Improved/2..max negat.py b/Improved/2..max negat.py
new file mode 100644
index 0000000..f6e0d83
--- /dev/null
+++ b/Improved/2..max negat.py	
@@ -0,0 +1,14 @@
+huge = -9998
+big = -9999
+a = int(input())
+while a < 0:
+
+
+    if a > big and a > huge:
+        big = huge
+        huge = a
+
+    if a > big and a < huge:
+        big = a
+    a = int(input())
+print(big)
\ No newline at end of file
diff --git a/Improved/Chasy.py b/Improved/Chasy.py
new file mode 100644
index 0000000..229f350
--- /dev/null
+++ b/Improved/Chasy.py
@@ -0,0 +1,12 @@
+minimum = int(input())
+if minimum > 1439:
+    alfa = minimum // 1440
+    minimum = minimum - alfa * 1440
+
+if minimum < 60:
+    print(0, ' ', minimum)
+
+if minimum >= 60:
+    hour = minimum // 60
+    minimum = minimum - hour * 60
+    print(hour, ' ', minimum)
diff --git a/Improved/Factorial.py b/Improved/Factorial.py
new file mode 100644
index 0000000..4098edc
--- /dev/null
+++ b/Improved/Factorial.py
@@ -0,0 +1,9 @@
+n = int(input())
+summa = 0
+fact = 1
+for i in range(1, n + 1):
+    fact = i * fact
+    fact = i * fact
+    summa = summa + fact
+
+print(summa)
\ No newline at end of file
diff --git a/Improved/MKAD.py b/Improved/MKAD.py
new file mode 100644
index 0000000..1205182
--- /dev/null
+++ b/Improved/MKAD.py
@@ -0,0 +1,12 @@
+v = int(input())
+t = int(input())
+s = v*t
+
+
+p = s % 109
+
+
+
+
+print(s)
+print(p)
\ No newline at end of file
diff --git a/MKAD.py b/MKAD.py
new file mode 100644
index 0000000..f29a575
--- /dev/null
+++ b/MKAD.py
@@ -0,0 +1,6 @@
+v = int(input())
+t = int(input())
+s = v*t
+alfa = s // 109
+s = s - alfa*109
+print(s)
\ No newline at end of file
diff --git a/min iz 3 chisel.py b/min iz 3 chisel.py
new file mode 100644
index 0000000..4ce1014
--- /dev/null
+++ b/min iz 3 chisel.py	
@@ -0,0 +1,13 @@
+a = int(input())
+b = int(input())
+c = int(input())
+
+if a <= b:
+    small = a
+else:
+    small = b
+
+if c <= small:
+    small = c
+
+print(small)
\ No newline at end of file
diff --git a/week02/test.py b/week02/test.py
new file mode 100644
index 0000000..20ddd29
--- /dev/null
+++ b/week02/test.py
@@ -0,0 +1,13 @@
+import os
+import sys
+def hi():
+    print(os.getcwd())
+    print('hello, world')
+
+def by():
+    print('by, by')
+
+if __name__ == '__main__':
+    print('hi')
+    hi()
+    by()
diff --git a/week03/turtle10.py b/week03/turtle10.py
new file mode 100644
index 0000000..5ebe546
--- /dev/null
+++ b/week03/turtle10.py
@@ -0,0 +1,16 @@
+import turtle
+
+turtle.shape('turtle')
+turtle.speed(10)
+def circle(x):
+    for i in range(40):
+
+        turtle.forward(4)
+        turtle.left(360/40)
+
+
+for k in range (1,7):
+    circle(k)
+    turtle.setheading(360*k / 6)
+
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle11.py b/week03/turtle11.py
new file mode 100644
index 0000000..6549544
--- /dev/null
+++ b/week03/turtle11.py
@@ -0,0 +1,18 @@
+import turtle
+turtle.setheading(90)
+turtle.shape('turtle')
+turtle.speed(10)
+def circle(x):
+    for i in range(40):
+
+        turtle.forward(4+x)
+        turtle.left(360/40)
+
+
+for k in range (1,7):
+    circle(k)
+    turtle.setheading(-90)
+    circle(k)
+    turtle.setheading(90)
+
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle12.py b/week03/turtle12.py
new file mode 100644
index 0000000..6fb1737
--- /dev/null
+++ b/week03/turtle12.py
@@ -0,0 +1,13 @@
+import turtle
+turtle.speed(10)
+def dug(x):
+    for i in range(40):
+
+        turtle.forward(x)
+        turtle.right(180/40)
+
+for i in range(5):
+    turtle.setheading(90)
+    dug(5)
+    dug(1)
+    turtle.setheading(-90)
\ No newline at end of file
diff --git a/week03/turtle13.py b/week03/turtle13.py
new file mode 100644
index 0000000..950f942
--- /dev/null
+++ b/week03/turtle13.py
@@ -0,0 +1,49 @@
+import turtle
+turtle.speed(1)
+def circle(x):
+    for i in range(40):
+
+        turtle.forward(x)
+        turtle.left(360/40)
+
+def dug(x):
+    for i in range(40):
+
+        turtle.forward(x)
+        turtle.right(180/40)
+
+
+turtle.penup()
+turtle.forward(40)
+turtle.pendown()
+turtle.setheading(90)
+turtle.color('yellow')
+turtle.begin_fill()
+turtle.circle(70)
+turtle.end_fill()
+turtle.penup()
+turtle.goto(25,10)
+turtle.pendown()
+turtle.color('blue')
+turtle.begin_fill()
+turtle.circle(20)
+turtle.penup()
+turtle.goto(-30,10)
+turtle.pendown()
+turtle.circle(20)
+turtle.end_fill()
+turtle.penup()
+turtle.goto(-23,0)
+turtle.pendown()
+turtle.width(5)
+turtle.color('red')
+turtle.left(180)
+turtle.forward(30)
+turtle.penup()
+turtle.goto(5,-19)
+turtle.pendown()
+dug(2)
+
+
+
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle14.py b/week03/turtle14.py
new file mode 100644
index 0000000..6036b31
--- /dev/null
+++ b/week03/turtle14.py
@@ -0,0 +1,17 @@
+import turtle
+
+
+def star(n):
+    for i in range(n):
+        turtle.forward(150)
+        turtle.left(180-180/n)
+
+
+
+
+star(5)
+turtle.penup()
+turtle.forward(300)
+turtle.pendown()
+star(11)
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle2.py b/week03/turtle2.py
new file mode 100644
index 0000000..4729123
--- /dev/null
+++ b/week03/turtle2.py
@@ -0,0 +1,14 @@
+import turtle
+
+turtle.shape('turtle')
+turtle.forward(50)
+turtle.left(90)
+turtle.forward(50)
+turtle.left(90)
+turtle.forward(50)
+turtle.right(90)
+turtle.forward(50)
+turtle.right(90)
+turtle.forward(50)
+
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle3.py b/week03/turtle3.py
new file mode 100644
index 0000000..806b356
--- /dev/null
+++ b/week03/turtle3.py
@@ -0,0 +1,9 @@
+import turtle
+
+turtle.shape('turtle')
+for i in range(4):
+    turtle.forward(50)
+    turtle.left(90)
+
+
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle4.py b/week03/turtle4.py
new file mode 100644
index 0000000..1bd9c6f
--- /dev/null
+++ b/week03/turtle4.py
@@ -0,0 +1,10 @@
+import turtle
+
+turtle.shape('turtle')
+turtle.speed(5)
+for i in range(100):
+    turtle.forward(4)
+    turtle.left(360/100)
+
+
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle5.py b/week03/turtle5.py
new file mode 100644
index 0000000..f48c5ed
--- /dev/null
+++ b/week03/turtle5.py
@@ -0,0 +1,16 @@
+import turtle
+
+turtle.shape('turtle')
+for i in range(10):
+
+    for k in range(4):
+        turtle.forward(50+i*10)
+        turtle.left(90)
+    turtle.penup()
+    turtle.right(135)
+    turtle.forward(7.07)
+    turtle.pendown()
+    turtle.left(135)
+
+
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle6.py b/week03/turtle6.py
new file mode 100644
index 0000000..7c6e3b3
--- /dev/null
+++ b/week03/turtle6.py
@@ -0,0 +1,9 @@
+import turtle
+
+turtle.shape('turtle')
+for i in range(12):
+    turtle.forward(50)
+    turtle.stamp()
+    turtle.goto(0,0)
+    turtle.right(360/12)
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle7.py b/week03/turtle7.py
new file mode 100644
index 0000000..f44514e
--- /dev/null
+++ b/week03/turtle7.py
@@ -0,0 +1,10 @@
+import turtle
+
+turtle.shape('turtle')
+turtle.speed(10)
+for i in range(10*100):
+    turtle.forward(1+i/100)
+    turtle.left(360/100)
+
+
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle8.py b/week03/turtle8.py
new file mode 100644
index 0000000..d51b94f
--- /dev/null
+++ b/week03/turtle8.py
@@ -0,0 +1,11 @@
+import turtle
+
+turtle.shape('turtle')
+for i in range(100):
+
+
+    turtle.forward(50+i*10)
+    turtle.left(90)
+
+
+turtle.done()
\ No newline at end of file
diff --git a/week03/turtle9.py b/week03/turtle9.py
new file mode 100644
index 0000000..b643aed
--- /dev/null
+++ b/week03/turtle9.py
@@ -0,0 +1,23 @@
+import turtle as t
+t.speed(1)
+def ugolnik(n,l):
+    for k in range(i):
+        t.forward(50+10*l)
+        t.left(360 / i)
+
+for i in range(4,10):
+    t.penup()
+    t.goto(-10*i,-10*i)
+    t.setheading(0)
+    t.pendown()
+    ugolnik(i,i)
+
+
+
+
+
+
+
+
+
+t.done()
\ No newline at end of file
diff --git a/week04/week04_01.py b/week04/week04_01.py
new file mode 100644
index 0000000..70d68ed
--- /dev/null
+++ b/week04/week04_01.py
@@ -0,0 +1,9 @@
+#Дан список чисел. Определите, сколько в этом списке элементов, которые больше двух своих соседей,
+# и выведите количество таких элементов. Крайние элементы списка никогда не учитываются, поскольку у них недостаточно соседей.
+
+count = 0
+l = list(map(int, input().split()))
+for i in range(1, len(l)-1):
+    if (l[i-1] < l[i]) and(l[i+1] < l[i]):
+        count += 1
+print(count)
diff --git a/week04/week04_02.py b/week04/week04_02.py
new file mode 100644
index 0000000..111d66f
--- /dev/null
+++ b/week04/week04_02.py
@@ -0,0 +1,24 @@
+#Задача «Переставить min и max»
+#Условие
+#В списке все элементы различны. Поменяйте местами минимальный и максимальный элемент этого списка.
+l = list(map(int, input().split()))
+small = l[0]
+big = l[0]
+small_index = 0
+big_index = 0
+
+for i in range(len(l)):
+    if l[i] > big:
+        big = l[i]
+        big_index = i
+for i in range(len(l)):
+    if l[i] < small:
+        small = l[i]
+        small_index = i
+
+
+l[big_index] = small
+l[small_index] = big
+
+print(*l)
+
diff --git a/week04/week04_03.py b/week04/week04_03.py
new file mode 100644
index 0000000..2f65b4f
--- /dev/null
+++ b/week04/week04_03.py
@@ -0,0 +1,14 @@
+"""Задача «Количество совпадающих пар»
+Условие
+Дан список чисел. Посчитайте, сколько в нем пар элементов, равных друг другу. Считается, что любые два элемента,
+равные друг другу образуют одну пару, которую необходимо посчитать."""
+
+
+l = list(map(int, input().split()))
+sum = 0
+for j in range(len(l)):
+    for i in range(j + 1, len(l)):
+        if l[i] == l[j]:
+            sum += 1
+
+print(sum)
\ No newline at end of file
diff --git a/week04/week04_04.py b/week04/week04_04.py
new file mode 100644
index 0000000..fe682f1
--- /dev/null
+++ b/week04/week04_04.py
@@ -0,0 +1,30 @@
+"""Занятие 7. Списки
+Задача «Уникальные элементы»
+Условие
+Дан список. Выведите те его элементы, которые встречаются в списке только один раз. Элементы нужно выводить
+в том порядке, в котором они встречаются в списке."""
+def occurredOnce(l, n):
+    mp = dict()
+    # Store all the elements in the
+    # map with their occurrence
+    for i in range(n):
+        if l[i] in mp.keys():
+            mp[l[i]] = -100
+        else:
+            mp[l[i]] = i
+
+    # invert mapping
+    mp_invert = {v: k for k, v in mp.items()}
+
+    delete = [key for key in mp_invert if key == -100]
+
+    for key in delete: del mp_invert[key]
+
+    for t in mp_invert:
+        print(mp_invert[t], end=" ")
+
+
+l = list(map(int, input().split()))
+n = len(l)
+
+occurredOnce(l, n)
diff --git a/week04/week04_05.py b/week04/week04_05.py
new file mode 100644
index 0000000..1691c9b
--- /dev/null
+++ b/week04/week04_05.py
@@ -0,0 +1,14 @@
+"""Занятие 10. Множества
+Задача «Пересечение множеств»
+Условие
+Даны два списка чисел. Найдите все числа, которые входят как в первый, так и во второй список и выведите их в порядке возрастания.
+
+Примечание. И даже эту задачу на Питоне можно решить в одну строчку."""
+set1 = set(map(int, input().split()))
+set2 = set(map(int, input().split()))
+
+set_to_list = list(set1 & set2)
+
+set_to_list.sort()
+
+print(*set_to_list)
\ No newline at end of file
diff --git a/week04/week04_06.py b/week04/week04_06.py
new file mode 100644
index 0000000..4a30edd
--- /dev/null
+++ b/week04/week04_06.py
@@ -0,0 +1,19 @@
+""""Занятие 10. Множества
+Задача «Встречалось ли число раньше»
+Условие
+Во входной строке записана последовательность чисел через пробел. Для каждого числа выведите слово YES
+ (в отдельной строке), если это число ранее встречалось в последовательности или NO, если не встречалось."""
+
+
+l = list(map(int, input().split()))
+print('NO')
+for i in range(1, len(l)):
+    temp = 0
+    for j in range(i):
+        if l[i] == l[j]:
+            print('YES')
+            break
+        if l[i] != l[j]:
+            temp += 1
+            if temp == i:
+                print('NO')
diff --git a/week04/week04_08.py b/week04/week04_08.py
new file mode 100644
index 0000000..c8d7cea
--- /dev/null
+++ b/week04/week04_08.py
@@ -0,0 +1,20 @@
+"""Занятие 11. Словари
+Задача «Словарь синонимов»
+Условие
+Вам дан словарь, состоящий из пар слов. Каждое слово является синонимом к парному ему слову. Все слова в словаре различны.
+
+Для слова из словаря, записанного в последней строке, определите его синоним."""
+
+N = int(input())
+l = []
+d = {}
+for i in range(N):
+    l = list(map(str, input().split()))
+    d[l[0]] = l[1]
+
+d_invert = {v: k for k, v in d.items()} # invert dictionary
+key = input()
+if key in d.keys():
+    print(d[key])
+else:
+    print(d_invert[key])
\ No newline at end of file
diff --git a/week05/week05_1.py b/week05/week05_1.py
new file mode 100644
index 0000000..5ba8caf
--- /dev/null
+++ b/week05/week05_1.py
@@ -0,0 +1,27 @@
+"""Дано действительное положительное число a и целоe число n. Вычислите a в степени n.
+Решение оформите в виде функции power (a, n). Стандартной функцией возведения в степень
+пользоваться нельзя. (pythontutor.ru, 8 урок, отрицательная степень)"""
+def power(a, n):
+    if n == 0:
+        print(1)
+
+    if n > 0:
+        prod = a
+        flag = 1
+        while flag != n:
+            prod = prod * a
+            flag += 1
+        print(prod)
+
+    if n < 0:
+        prod = a
+        flag = 1
+        while flag != -n:
+            prod = prod * a
+            flag += 1
+        print(1/prod)
+
+
+a = float(input())
+n = int(input())
+power(a, n)
\ No newline at end of file
diff --git a/week05/week05_2.py b/week05/week05_2.py
new file mode 100644
index 0000000..77af1a0
--- /dev/null
+++ b/week05/week05_2.py
@@ -0,0 +1,18 @@
+def gcd2(m, n):
+    if m % n != 0:
+        return gcd2(n, m % n)
+    else:
+        return n
+
+def main():
+    n = int(input('How many pairs: '))
+    a = []
+    for i in range(n):
+        row = input().split()
+        for i in range(2):
+            row[i] = int(row[i])
+        a.append(row)
+
+    for i in range(n):
+        print(gcd2(a[i][0], a[i][1]))
+main()
\ No newline at end of file
diff --git a/week05/week05_3.py b/week05/week05_3.py
new file mode 100644
index 0000000..ef37a23
--- /dev/null
+++ b/week05/week05_3.py
@@ -0,0 +1,30 @@
+"""Напишите функцию, которая в зависимости от выбора пользователя вычисляет площадь круга,
+прямоугольника или треугольника. Для вычисления площади каждой фигуры должна быть написана отдельная функция."""
+import math
+
+def circle(r):
+    S = math.pi*r**2
+    return S
+def rectangle(a, b):
+    S = a*b
+    return S
+
+
+def main():
+    figure = input('Calculate surface. Choose: circle, triangle, rectangle: ')
+
+    if figure == 'circle':
+        r = float(input('Give radius: '))
+        print('Surface = ', circle(r))
+    if figure == 'rectangle':
+        a = float(input('Give 1. side: '))
+        b = float(input('Give 2. side: '))
+        print('Surface = ', rectangle(a, b))
+
+    if figure == 'triangle':
+        a = float(input('Give base: '))
+        b = float(input('Give height for base: '))
+        print('Surface = ', 0.5*rectangle(a, b))
+
+if __name__== "__main__":
+  main()
\ No newline at end of file
diff --git a/week05/week05_4.py b/week05/week05_4.py
new file mode 100644
index 0000000..4a87880
--- /dev/null
+++ b/week05/week05_4.py
@@ -0,0 +1,31 @@
+"""Напишите функцию, которая на вход принимает квадратную матрицу (например, в виде списка списков).
+Вычисляет сумму элементов главной или побочной диагонали в зависимости от выбора пользователя.
+Сумма элементов любой диагонали должна вычисляться в одной и той же отдельной функции"""
+
+# первая строка ввода - это количество строк массива
+def main():
+    n = int(input("Dimension of matrix: "))
+    print("Enter matrix: ")
+    a = []
+    for i in range(n):
+        row = input().split()
+        for i in range(n):
+            row[i] = int(row[i])
+        a.append(row)
+    traceq = input("main trace/side trace: ")
+    if traceq == 'main trace':
+        trace(0, 1, n, a)
+    if traceq == 'side trace':
+        trace(n - 1, -1, n, a)
+
+
+
+
+def trace(k, p, n, a):
+    sum = 0
+    for t in range(n):
+        sum += a[k + p * t][t]
+    print(sum)
+
+if __name__== "__main__":
+    main()
\ No newline at end of file
diff --git a/week05/week05_5.py b/week05/week05_5.py
new file mode 100644
index 0000000..a31f5ed
--- /dev/null
+++ b/week05/week05_5.py
@@ -0,0 +1,34 @@
+"""Вычислить значения нижеприведенной функции в диапазоне значений x от -10 до 10 включительно с шагом, равным 1.
+{y = x^2 при -5 <= x <= 5; y = 2*|x|-1 при x < -5; y = 2x при x > 5}. Вычисление значения функции оформить
+в виде программной функции, которая принимает значение x, а возвращает полученное значение функции (y).
+Нарисуйте с помощью matplotlib график этой функции."""
+
+
+
+xx = []
+for i in range (21):
+    xx.append(i-10)
+
+yy = []
+
+for x in range(-10, 11):
+
+    if x > 5 and x <= 10:
+        yy.append(2*x)
+
+    if x >= -10 and x< -5:
+        yy.append(2*abs(x) - 1)
+    if x >= -5 and x <= 5:
+        yy.append(x**2)
+
+
+
+
+import matplotlib.pyplot as plt
+
+
+plt.plot(xx, yy)
+plt.grid()
+plt.draw()
+
+plt.show()
\ No newline at end of file