Added week 7

week7/Assignment/ex4.py

@@ -0,0 +1,24 @@
+def main():
+    print('==Assignment 4==')
+
+    flag=True
+    while flag:
+        a = input("pls input number:")
+        try: 
+            a = int(a)
+            flag=False
+        except :
+            print("pls input a number!")
+    
+    counter=0
+    total=1
+
+    while counter<a:counter+=1;total*=counter
+
+    print(f"{a}!= {total}")
+
+    print('==End Of Assi4==')
+    return 0
+
+if __name__ == '__main__':
+    main()