diff --git a/dop1.py b/dop1.py
new file mode 100644
index 000000000..b7b7cac11
--- /dev/null
+++ b/dop1.py
@@ -0,0 +1,12 @@
+a = int(input())
+b = int (input())
+c = int(input())
+D = b**2 - 4*a*c
+if D < 0:
+    print('уравнение не имеет решения')
+elif D== 0:
+    print('уравнение имеет один код', int(( -b + D**0.5) / (2*a)))
+else:
+    print('уравнение имеет два корня:')
+    print(((-b+ D**0.5) / (2*a)))
+    print(((-b -D**0.5) / (2*a)))
\ No newline at end of file
diff --git a/lec_3_my_module.py b/lec_3_my_module.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/lec_bool.py b/lec_bool.py
new file mode 100644
index 000000000..61cebb753
--- /dev/null
+++ b/lec_bool.py
@@ -0,0 +1,13 @@
+print (bool(2))
+
+print (bool("Good"))
+
+print (bool([1, 4 , 5]))
+
+print (bool(0))
+
+print(bool(''))
+
+print(bool([]))
+
+print(bool([[]]))
\ No newline at end of file
diff --git a/lec_break_and_continue.py b/lec_break_and_continue.py
new file mode 100644
index 000000000..1bfdb70ec
--- /dev/null
+++ b/lec_break_and_continue.py
@@ -0,0 +1,9 @@
+for symbol in 'Hello world':
+    if symbol == 'o':
+        break
+    print(symbol)
+
+for symbol in 'Hello world':
+     if symbol =='o' or symbol== 'l':
+         continue
+     print(symbol)
\ No newline at end of file
diff --git a/lec_dop1.py b/lec_dop1.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/lec_for.py b/lec_for.py
new file mode 100644
index 000000000..af2c47fe8
--- /dev/null
+++ b/lec_for.py
@@ -0,0 +1,9 @@
+for i in 1,  3, 4:
+    print(i**2, end=' ')
+for i in 1, 3, 4:
+    print(i**2, end='\n')
+for i in 1, 3, 4:
+    print( i, i**2, sep=' - ')
+a =[1, 5, 7, 10]
+for i in a:
+    print(f'{i}**3 = {i**3}')
\ No newline at end of file
diff --git a/lec_if.py b/lec_if.py
new file mode 100644
index 000000000..fc1c6ef1b
--- /dev/null
+++ b/lec_if.py
@@ -0,0 +1,10 @@
+if 1 :
+    print("Hello 1")
+    
+a = 3
+if a > 1 :
+    print(f'Hello {a}')
+
+b = 5
+if b == 5:
+    print(f'hello {b}') 
\ No newline at end of file
diff --git a/lec_if_elif_else.py b/lec_if_elif_else.py
new file mode 100644
index 000000000..1cfbe7f2a
--- /dev/null
+++ b/lec_if_elif_else.py
@@ -0,0 +1,7 @@
+a = 3
+if a>5:
+    print("hello 5")
+elif a<2:
+    print("hello 2")
+else:
+    print("tupo hello")
\ No newline at end of file
diff --git a/lec_if_else.py b/lec_if_else.py
new file mode 100644
index 000000000..0c81711bd
--- /dev/null
+++ b/lec_if_else.py
@@ -0,0 +1,5 @@
+a = 3
+if a > 4:
+    print ("Hello 4")
+else:
+    print(f"Hello {a}")
\ No newline at end of file
diff --git a/lec_logic_operation.py b/lec_logic_operation.py
new file mode 100644
index 000000000..60e251e17
--- /dev/null
+++ b/lec_logic_operation.py
@@ -0,0 +1,10 @@
+a = 3
+b = 4
+c = 5
+
+if a > 4 and b == 2:
+    print("Good")
+elif b > 3 or c == 5:
+    print("Best")
+else:
+    print("Bad")
\ No newline at end of file
diff --git a/lec_my_first_prgrm.py b/lec_my_first_prgrm.py
new file mode 100644
index 000000000..9cf52cf0d
--- /dev/null
+++ b/lec_my_first_prgrm.py
@@ -0,0 +1 @@
+print ("Hello world!")
\ No newline at end of file
diff --git a/lec_range.py b/lec_range.py
new file mode 100644
index 000000000..9836a070a
--- /dev/null
+++ b/lec_range.py
@@ -0,0 +1,11 @@
+a = range (0, 10, 2)
+print(a)
+print(type(a))
+print(a[3])
+
+a ='Good'
+for i in range(0, 10, 1):
+    if i < len(a):
+        print(a[i] + ' - Bad')
+    else:
+     print(f'{i}' + ' - Good')
diff --git a/lec_slice.py b/lec_slice.py
new file mode 100644
index 000000000..227dd1def
--- /dev/null
+++ b/lec_slice.py
@@ -0,0 +1,20 @@
+import numpy as np
+
+a =[1, 5, 3, 6]
+slice= a[0:2:1]
+print(slice)
+
+slice = a[3: 0 :-1]
+print(slice)
+
+slice = a[ :  :-1]
+print(slice)
+
+b = np.array([a, np.array(a)*3])
+print(b)
+
+slice = b[::, 1]
+print(slice)
+
+slice = b[1,2:3:1]
+print(slice)
\ No newline at end of file
diff --git a/lec_task1.py b/lec_task1.py
new file mode 100644
index 000000000..28a428707
--- /dev/null
+++ b/lec_task1.py
@@ -0,0 +1,13 @@
+G = 6.67 * 10** (-1)
+c = 3 * 10**8
+g = 9.81
+k = 1.38 * 10**(-23)
+Na = 6.02 * 10**23
+R = 8.31
+p = 101325
+Vo = 2.24 * 10**(-2)
+F = 9.4 * 10**4
+mp = 1.67 * 10**(-27)
+k = 1.38 * 10**(-23)
+e = 1.6 * 10**(-19)
+h = 1.054 * 10**(-34)
\ No newline at end of file
diff --git a/lec_task2.py b/lec_task2.py
new file mode 100644
index 000000000..852f76d61
--- /dev/null
+++ b/lec_task2.py
@@ -0,0 +1,17 @@
+import numpy as np
+from math import cos, tan, radians, sqrt
+h = 100
+a = radians(45)
+b = radians(35)
+g = 9.81
+V = sqrt((g * h * np.tan(np.radians(35))**2/ (2 * np.cos(np.radians(45))**2 *( 1 - np.tan(np.radians(35)) * np.tan(np.radians(45))))))**0.5
+print(V)
+
+import numpy as np
+T = 200
+E = 300
+k = 1.38 * 10**(-23)
+e = 1.6 * 10**(-19)
+h = 1.054 * 10**(-34)
+N = (2 / np.sqrt(np.pi)) * np.sqrt(h *(k * 200)**3) * np.exp(-300 / (k * 200))
+print(N)
\ No newline at end of file
diff --git a/lec_task3.py b/lec_task3.py
new file mode 100644
index 000000000..8b7b9d7ae
--- /dev/null
+++ b/lec_task3.py
@@ -0,0 +1,25 @@
+import numpy as np
+g = 9.81
+x_0 = 0
+y_0 = 0
+v_0 = 15
+alpha = 45 * np.pi /180
+vx_0= v_0 * np.cos(alpha)
+vy_0 = v_0 * np.sin(alpha)
+
+time= []
+x_coords = []
+y_coords = []
+
+for t in np.arange(0, 5, 0.01):
+    x = x_0 + vx_0 * t
+    y = y_0 + vy_0 * t - g*t**2 /2
+
+    time.append(t)
+    x_coords.append(x)
+    y_coords.append(y)
+print(t)
+print(x)
+print (y)
+
+
diff --git a/lec_task5.py b/lec_task5.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/lec_task6.py b/lec_task6.py
new file mode 100644
index 000000000..30bb52136
--- /dev/null
+++ b/lec_task6.py
@@ -0,0 +1,10 @@
+import numpy as np
+a = np.array([[2, 3, 1, 4, 5, 6, 7],
+     [8, 1, 3, 2, 2, 6, 8],
+     [1, 4, 3, 1, 0, 2, 5],
+     [4, 5, 0, 1, 3, 2, 1],
+     [8, 7, 9, 1, 0, 2, 3] ])
+slice = a[0:3:1,0:2:1 ]
+print(slice)
+slice = a[1:3, 3:5:1]
+print(slice)
diff --git a/lec_while.py b/lec_while.py
new file mode 100644
index 000000000..5351f4a28
--- /dev/null
+++ b/lec_while.py
@@ -0,0 +1,4 @@
+i = 5
+while i < 15 :
+    print('i:', i)
+    i += 2 
diff --git a/task1.py b/task1.py
new file mode 100644
index 000000000..5f25b3a96
--- /dev/null
+++ b/task1.py
@@ -0,0 +1,5 @@
+a = int(input())
+if a % 2 == 0:
+    print("четное")
+else:
+    print("нечетное")
\ No newline at end of file
diff --git a/task2.py b/task2.py
new file mode 100644
index 000000000..ba758e9ab
--- /dev/null
+++ b/task2.py
@@ -0,0 +1,5 @@
+a = int(input('первый член прогрессии: '))
+b = int(input('знаменатель прогрессии: '))
+c = int(input('количество членов прогрессии: '))
+for i in range(1, c + 1):
+    print(f'член {i} = {a * b**(i -1)}')
\ No newline at end of file
diff --git a/task3.py b/task3.py
new file mode 100644
index 000000000..ed2693ec7
--- /dev/null
+++ b/task3.py
@@ -0,0 +1,5 @@
+year = int(input())
+if year % 4 == 0:
+    print(f'{year} високосный')
+else:
+    print(f'{year} невисокосный')
\ No newline at end of file
diff --git a/task4.py b/task4.py
new file mode 100644
index 000000000..340ae1b66
--- /dev/null
+++ b/task4.py
@@ -0,0 +1,8 @@
+a = int(input('число: '))
+b = [1]
+for i in range(1, a+1):
+    if i ==1:
+        b.append(i)
+    else:
+        b.append(b[i-2]+b[i -1])
+    print(b) 
diff --git a/task5.py b/task5.py
new file mode 100644
index 000000000..e04fd32e2
--- /dev/null
+++ b/task5.py
@@ -0,0 +1,10 @@
+a = int(input())
+b = int(input())
+if a % b == 0:
+    print('первое число делится на второе')
+    print(f'остаток {a%b}')
+    print(f'a/b = {int(a/b)}')
+else:
+    print('первое число не делится на второе')
+    print(f'остаток{a%b}')
+    print( f'a/b = {int(a/b)}')
diff --git a/task6.py b/task6.py
new file mode 100644
index 000000000..b0208a907
--- /dev/null
+++ b/task6.py
@@ -0,0 +1,12 @@
+a = 1
+b = 2
+c = 3
+d = 4
+e = 5
+f = 6
+g = 7
+h = 8
+i = 9
+for i in range (1, 10):
+    print(a*i, b*i, c*i, d*i, e*i, f*i, g*i, h*i,)
+