Answer:
Code below
Step-by-step explanation:
n = int(input('Please enter n: '))#take input n
print('please enter the numbers')#print enter the numbers
total = 0 #intially take total as 0
original_total = 1 #intially take original_total=1
for i in range(2, n+1): #take the range 2 to n+1
total += int(input('Please enter a number: ')) # add total and enter the number
original_total += i
missing = original_total - total #you got missing number original_total - total
print('The missing number is: ' + str(missing)) # print missing number in the given data