Write a Python program to find the smallest positive integer that is a perfect square and...

Write a Python program to find the smallest positive integer that is a perfect square and it contains exactly three different digits.

Expert Solution

I hve calculated square of a number from digit 1. I have converted number to list of digits(i.e. 445 will converted into ['4','4','5']) and than checked if list is having 3 elements.After it I have applied set opration on that list to have unique elements in list.If set operation is having 3 elements it means it is perfect square with 3 different digits so I have printed it.

number = 1   #check from number 1
while(1):
    square = number * number   #calculate square
    string_number_list = []
    string_number_list[:0] = str(square)    #convert number to list of digits
    if(len(string_number_list) == 3):       #check if lengh of list is 3 
        if(len(set(string_number_list)) == 3):  #Having all unique elements present
            print("".join(string_number_list))
            break
    number = number + 1

Output screenshot:

venereology answered 1 year ago

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