diff --git a/1.jpg b/1.jpg
deleted file mode 100644
index 5927523..0000000
Binary files a/1.jpg and /dev/null differ
diff --git a/1_2.py b/1_2.py
new file mode 100644
index 0000000..37ac20f
--- /dev/null
+++ b/1_2.py
@@ -0,0 +1,14 @@
+
+def odd_nums(num):
+    '''get odd numbers'''
+    for res in range(1, num+1, 2):
+        yield res
+
+
+num = 15
+odd_to_15 = odd_nums(num)
+
+print(next(odd_to_15))
+
+
+odd_to_15 = (x for x in range(1, num+1, 2))
diff --git a/3.py b/3.py
new file mode 100644
index 0000000..afdea7f
--- /dev/null
+++ b/3.py
@@ -0,0 +1,21 @@
+from itertools import zip_longest
+
+tutors = [
+    'Иван', 'Анастасия', 'Петр', 'Сергей',
+    'Дмитрий', 'Борис', 'Елена'
+]
+
+klasses = [
+    '9А', '7В', '9Б', '9В', '8Б', '10А', '10Б', '9А'
+]
+
+tutor_gen = zip_longest(tutors, klasses, fillvalue=None)
+print(next(tutor_gen))  # test
+
+'''сделал чтобы в tutors было больше элементов чтобы подходить под задание'''
+a = ['Станислав', 'Вячеслав', 'Игорь']
+tutors.extend(a)
+
+tutor_gen2 = zip_longest(tutors, klasses, fillvalue=None)
+for i in range(len(tutors)+1):  # test2
+    print(next(tutor_gen2))
diff --git a/4.py b/4.py
new file mode 100644
index 0000000..85e44d4
--- /dev/null
+++ b/4.py
@@ -0,0 +1,5 @@
+src = [300, 2, 12, 44, 1, 1, 4, 10, 7, 1, 78, 123, 55]
+
+digit_greater = [src[x] for x in range(1, len(src)) if src[x] > src[x - 1]]
+
+print(digit_greater)  # test
diff --git a/5.py b/5.py
new file mode 100644
index 0000000..420ab62
--- /dev/null
+++ b/5.py
@@ -0,0 +1,17 @@
+from collections import Counter
+
+src = [2, 2, 2, 7, 23, 1, 44, 44, 3, 2, 10, 7, 4, 11]
+
+li_count = Counter(src)
+unic_li = [k for k, v in li_count.items() if v == 1]
+print(unic_li)  # [23, 1, 3, 10, 4, 11]
+
+
+unic_set = set()
+for i in src:
+    if i not in unic_set:
+        unic_set.add(i)
+    else:
+        unic_set.discard(i)
+unic_li = [i for i in src if i in unic_set]
+print(unic_li)  # [23, 1, 3, 10, 4, 11]
diff --git a/README.md b/README.md
deleted file mode 100644
index 0117e00..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# learning_python
-
-jgvg
diff --git a/dz_2_3_5.py b/dz_2_3_5.py
deleted file mode 100644
index af8386c..0000000
--- a/dz_2_3_5.py
+++ /dev/null
@@ -1,53 +0,0 @@
-import requests
-from decimal import Decimal
-from time import gmtime, strftime
-from sys import argv
-
-
-def currency_rates(find_currency):
-    '''решение через str'''
-    req = requests.get('http://www.cbr.ru/scripts/XML_daily.asp')
-    if req.status_code == 200:  # check connection
-        dat = req.headers
-        li_date = dat['Date']
-        res_date = strftime(li_date, gmtime())
-        all_text = req.text
-        lines = all_text.split('/Valute')
-        for currency in lines:
-            if '/ValCurs' in currency:
-                return None
-            char_code = cleaner(currency, 'CharCode')
-            name = cleaner(currency, 'Name')
-            value = cleaner(currency, 'Value')
-            '''decimal создан специально для финансовых расчетов'''
-            value = Decimal(value)
-            if char_code == find_currency.upper():
-                print(f'{char_code} один {name} стоит {value} рублей')
-                return value, res_date
-    else:
-        print('bad connection')
-
-
-def cleaner(currency, val):
-    '''clean values'''
-    try:
-        val = currency.split(val)[1]
-    except IndexError as e:
-        # pass
-        print(e)
-    li = ['<', '>', '/']
-    for i in li:
-        val = val.replace(i, '')
-    val = val.replace(',', '.')
-    val = val.strip()
-    return val
-
-
-if __name__ == '__main__':
-    if len(argv) > 1:
-        res = currency_rates(argv[1])
-        print(str(res))
-    elif 2 < len(argv):
-        for i in argv[1:]:
-            res = currency_rates(argv[1])
-            print(str(res))
diff --git a/utils_4.py b/utils_4.py
deleted file mode 100644
index 4611a0b..0000000
--- a/utils_4.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from dz_2_3 import currency_rates
-
-
-def find_currency_cost():
-    '''call currency_rates 3 times'''
-    li_currency = ['eur', 'USD', "GBp"]  # check register
-    for currency in li_currency:
-        currency_rates(currency)
-
-
-if __name__ == '__main__':
-    find_currency_cost()