In python, type the following into a document.
NOTE: Sentences following a # symbol are comments, and are not necessary for the program to run.
#!/usr/bin/python
#This program takes a input from a user and reverses it.
number = input("Type a number: ") #This takes input from a user.
a = len(number) #This finds the length of the number
reverse = "" #This sets the variable reverse to an empty string.
for i in number:
a = a-1 #The places in a string start from 0. The last value will be the length minus 1.reverse = reverse + number[a] #Makes the number's last digit the new string's first.
print("The reverse of", number, "is", reverse + ".") #prints the resulting string.
This program will take any sequence of characters and reverse them. The final value is a string, but if an integer is needed, one needs only to add the line
reverse = int(reverse)
above the print statement.
However, this will stop the program from being able to reverse strings, as it is not possible to convert a string to an integer if it is not a number.
The print command is a way to display output to the console. The hello world program, for example, can be written in python as simply print("Hello world") Other values can also be used in a print statement: a = 4 print(a) #will print the number 4
This program checks whether a number is odd or even. NOTE: This site removes formatting from answers. Replace (tab) with a tab or four spaces. #!/usr/bin/python print("Type a number.") n = input(": ") l = len(n)-1 even = ("02468") if n[l] in even: (tab)print(n, "is even.") if n[l] not in even: (tab)print(n, "is odd.")
To check if a number is a palindrome, reverse the number and see if it is equal to the original number. If so, the number is a palindrome, otherwise it is not. To reverse a number, use the following function: int reverse(int num, int base=10) { int reverse=0; while( num ) { reverse*=base; reverse+=num%base; num/=base; } return(reverse); }
question clarity
It means that python will print(or write out) a value you input.
I interpreted your question as this: What is used in Python for adding a blank line to the output? If you are looking for this, a simple print statement will do: print #in python 2.x or print() #in python 3.x If that wasn't what you were looking for, change the question to be more clear.
By using "str()". Example: number = 2 yourNumber = print("Your number is %s!") % (str(number))
In Python; the "print" feature will simply output something (defined by you) onto the screen. For example: print("Hello") would output "Hello" to the screen!
In order to display multiples of 9 up to 500 I would use a while loop with the condition number < 500. For example: #set number to the first multiple of 9 number = 9; while number < 500: print number; #add 9 to the number number += 9; Note: I put semicolons at the end of each line out of habit. Python does not require this. Note: lines beginning with # are comments The above code will print the current value of number, then add 9 to it. It will continue to do this until number is greater than or equal to 500.
by opening his mouth!
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You can create a simple program in Python to achieve this. The program will prompt the user to input two numbers, calculate their product, and then check if the product is equal to or greater than 1000. If it is, the program will print a message confirming that; otherwise, it will indicate that the product is less than 1000. Here's a quick example: num1 = float(input("Enter the first number: ")) num2 = float(input("Enter the second number: ")) if num1 * num2 >= 1000: print("The product is equal to or greater than 1000.") else: print("The product is less than 1000.")