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1. Check if All Digits are Distinct2. Check Middle Digit3. Check First and Last Digits Equal4. Check Digit Count Type5. Multiple of 7 or Ends with 76. Determine Quadrant7. Currency Division Check8. Check if Number in Range9. Calculate Third Angle10. Check Perfect Square

Check if All Digits are Distinct

Take a 3-digit number and check if all digits are distinct.

IntermediatePhase 1 - Level 3: Math and Number LogicExample 1 of 10
check-if-all-digits-are-distinct.py
1# Take 3-digit number
2num = int(input("Enter a 3-digit number: "))
3

4# Extract digits
5digit1 = num // 100
6digit2 = (num // 10) % 10
7digit3 = num % 10
8

9# Check if all distinct
10if digit1 != digit2 and digit2 != digit3 and digit1 != digit3:
11    print("All digits are distinct")
12else:
13    print("Digits are not all distinct")

Output

Enter a 3-digit number: 123
All digits are distinct

Enter a 3-digit number: 122
Digits are not all distinct

What's going on

Extract digits and compare them.

Key Concepts:

Extract hundreds, tens, and units digits
Compare all pairs: digit1 != digit2, digit2 != digit3, digit1 != digit3
All must be different for distinct digits

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