diff --git a/week7_1.py b/week7_1.py
new file mode 100644
index 0000000..39d5226
--- /dev/null
+++ b/week7_1.py
@@ -0,0 +1,23 @@
+print('*'*21)
+
+'''Write a program that detects the ID number hidden in a text. We know that the format of the ID number is 2 letters, 1 digit, 2 letters, 2 digits, 1 letter, 1 digit (For example: AA4ZA11B1).
+Input : AABZA1111AEGTV5YH678MK4FM53B6                   Output : MK4FM53B6
+Input : AEGTV5VZ4PF94B6YH678                            Output : VZ4PF94B6'''
+
+import re #RegEx import edilir
+
+id_find=input('Enter the txt: ') #enter text
+
+patern=r"\w{2}\d\w{2}\d{2}\w\d" #patern created.two character, one digit two char.two digit,one char,one digit
+
+for match_find in re.findall(patern,(id_find.upper())):#assigment to match_find
+    print(match_find)
+
+
+#################################################
+print()                                         #
+a="Sharp"                                       #        
+print(('*'*(50)).center(50))                    #
+print(f'Look {a}, Act {a}, Be {a}'.center(15))  #
+print('E.Cinar.'.center(60))                    #
+#################################################
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diff --git a/week7_2.py b/week7_2.py
new file mode 100644
index 0000000..6f5a000
--- /dev/null
+++ b/week7_2.py
@@ -0,0 +1,17 @@
+        '''Find words that are 8 letter long on this text ;'''
+
+import re
+with open('letter8.txt','r') as let_8: #open file with read mode. and assigmented let_8
+    type=let_8.read()    
+    patern=r"\w{8}" #creaated patern
+    for result in re.findall(patern,type):
+        print(f'{result}')
+    
+    
+#################################################
+print()                                         #
+a="Sharp"                                       #        
+print(('*'*(50)).center(50))                    #
+print(f'Look {a}, Act {a}, Be {a}'.center(15))  #
+print('E.Cinar.'.center(60))                    #
+#################################################   
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diff --git a/week7_3.py b/week7_3.py
new file mode 100644
index 0000000..221bf68
--- /dev/null
+++ b/week7_3.py
@@ -0,0 +1,25 @@
+'''Write a program that list according to email addresses without email domains in a text.
+Example:
+Input   :The advencements in biomarine studies franky@google.com with the investments necessary and Davos sinatra123@yahoo.com. 
+         Then New Yorker article on wind farms...
+Output  :  franky              sinatra123'''
+
+import re #RegEx import edilir
+
+et='The advencements in biomarine studies franky@google.com with the investments necessary and Davos sinatra123@yahoo.com.'
+
+patern=r"\w+[@]"  #karakter ile baslayan ve @ ile biten patern olusturulur.
+nummer=0           #bulunan sonuclari numaralandirmak icin;
+for i in re.findall(patern,et): #findall methodu ile bulunan string i atanir
+    nummer+=1   
+    i=i.strip('@') #stringde bulunan @ karakteri strip kullanilarak cikartilir
+    print(f'{nummer}.{i}') 
+    
+    
+#################################################
+print()                                         #
+a="Sharp"                                       #        
+print(('*'*(50)).center(50))                    #
+print(f'Look {a}, Act {a}, Be {a}'.center(15))  #
+print('E.Cinar.'.center(60))                    #
+#################################################
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