diff --git a/Mohammad_week 1 b/Mohammad_week 1
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+# Question 1#
+#########
+for i in range(1,11):
+    print(i)
+
+# Question 2 
+#########
+num = int(input("Enter thenumber: "))
+print("Even numbers to", num, "are:")
+for i in range(0, num + 1, 2):    
+    print(i)
+print("Even numbers to", num, "are:")
+i = 0
+while i <= num:    
+    print(i)    
+    i += 2
+
+# Question 3
+##########
+start = int(input("Enter the first number: "))
+end = int(input("Enter the last number: "))
+print("the range between", start, "and", end, "are:")
+for num in range(start, end + 1):    
+    print(num)
+
+# Question 4
+########
+num = int(input("Enter a number: "))
+if num % 2 == 0:    
+    print(num, "is an even number.")
+else:    
+    print(num, "is an odd number.")
+
+# Question 5
+#########
+num = int(input("Enter a positive integer: "))
+if num < 0:    
+    print("Please enter a positive integer.")
+else:
+    x = 1
+    for i in range(2, num + 1):        
+         x*= i       
+print(x)
+
+# Question 6
+########
+n = int(input("Enter a number: "))
+if n <= 1:        
+    print("false")   
+for i in range(2, int(n ** 0.5) + 1):        
+    if n % i == 0:            
+        print("is not a prime number.")
+    else:
+        print(n, "is a prime number.") 
+
+# Question 7
+#########
+n = int(input("Enter a number: "))
+fib_seq =[]
+a,b = 0,1
+while a<= n:
+    fib_seq.append(a)
+    a,b = b,a + b
+print(fib_seq)
+
+# Question 8
+########
+word = input("Enter a word :")
+rev_word = word[::-1]
+print("rev_word = ", rev_word)
+
+# Question 9
+#########
+word = input("Enter a word :")
+if word == word[::-1]:
+    print("the word is a palindrome.")
+else:
+    print("the word is not a palindrome.")
+
+  # Question 10
+  # #######
+weight = float(input("Enter your weight (kg): "))
+height = float(input("Enter your height (m): "))
+
+x = weight / (height ** 2)
+
+if x < 25:
+    print("You are underweight.")
+elif x < 30:
+    print("Your weight is normal.")
+elif x <= 40:
+    print("You are overweight.")
+else:
+    print("You are severely overweight.")
+
+  # Question 11
+  # #######
+  numbers = input("Enter numbers separated by spaces: ").split()
+largest_three = sorted(numbers, reverse=True)[:3]
+print("The largest three numbers are:", largest_three)
+
+  # Question 12
+  # #######
+for i in range(1, 5): 
+    print(f"Enter grades for Lesson {i}:")
+    
+    mid = float(input("Enter your midterm grade: "))
+    fin = float(input("Enter your final grade: "))
+    
+    average = (mid * 0.4) + (fin * 0.6)
+    
+    if average < 50:
+        print(f"Lesson {i}: FAILED\n")
+    else:
+        print(f"Lesson {i}: SUCCESSFUL\n")
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