Test 1: Check1 for the positive number input which is not a prime number. Also check for the case and spacing in input and output statements.
Question
Test 1: Check1 for the positive number input which is not a prime number.
Also check for the case and spacing in input and output statements.
Solution
To create a function that checks for a positive number input which is not a prime number while also handling case and spacing in input and output statements, follow these steps:
Step 1: Define the Function
- Create a function named
check_not_prime(num)
that takes a single argument.
Step 2: Handle Input
- Ensure the input is a positive integer by:
- Stripping any leading or trailing whitespace.
- Converting the input to an integer.
- Handling possible invalid inputs gracefully.
Step 3: Prime Checking Logic
- Implement logic to check if the number is a prime number:
- A prime number is greater than 1 and divisible only by 1 and itself.
- If the number is less than or equal to 1, or if it has divisors other than 1 and itself, it is not a prime.
Step 4: Output Statements
- Use appropriate casing and spacing in output to ensure clarity.
Step 5: Return Results
- Return or print the output depending on whether the number is not prime.
Sample Code Implementation
def check_not_prime(num):
try:
# Clean input and convert to integer
num = int(str(num).strip())
# Check for positive integer
if num <= 0:
return "Please enter a positive number."
# Check for prime
if num == 1:
return f"{num} is NOT a prime number."
for i in range(2, int(num**0.5) + 1):
if num % i == 0:
return f"{num} is NOT a prime number."
return f"{num} is a prime number."
except ValueError:
return "Invalid input. Please enter a positive integer."
# Example usage:
print(check_not_prime("10 ")) # Should output: "10 is NOT a prime number."
print(check_not_prime(" 3")) # Should output: "3 is a prime number."
Final Answer
This function effectively checks for positive non-prime numbers while ensuring proper handling of input casing and spacing.
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