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Python Programming [ Lab Programs ]

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Aim:

Write a Python script that prints prime numbers less than 20.

Source Code:

week11.py

'''Write a Python script that prints prime numbers less than 20'''



print("Prime numbers between 1 and 20 are:")

ulmt=20;

for num in range(ulmt):

   # prime numbers are greater than 1

   if num > 1:

       for i in range(2,num):

           if (num % i) == 0:

               break

       else:

           print(num)

Output:

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Related Content :

Python Programming Lab Programs

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2) Write a program to perform different Arithmetic Operations on numbers in Python. View Solution

3) Write a program to create, concatenate and print a string and accessing sub-string from a given string. View Solution

4) Write a python script to print the current date in the following format “Sun May 29 02:26:23 IST 2017” View Solution

5) Write a program to create, append, and remove lists in python. View Solution

6) Write a program to demonstrate working with tuples in python. View Solution

7) Write a program to demonstrate working with dictionaries in python. View Solution

8) Write a python program to find largest of three numbers. View Solution

9) Write a Python program to convert temperatures to and from Celsius, Fahrenheit. [Formula: c/5 = f-32/9] View Solution

10) Write a Python program to construct the stars(*) pattern, using a nested for loop View Solution

11) Write a Python script that prints prime numbers less than 20. View Solution

12) Write a python program to find factorial of a number using Recursion. View Solution

13) Write a program that accepts the lengths of three sides of a triangle as inputs. The program output should indicate whether or not the triangle is a right triangle (Recall from the Pythagorean Theorem that in a right triangle, the square of one side equals the sum of the squares of the other two sides). View Solution

14) Write a python program to define a module to find Fibonacci Numbers and import the module to another program. View Solution

15) Write a python program to define a module and import a specific function in that module to another program. View Solution

16) Write a script named copyfile.py. This script should prompt the user for the names of two text files. The contents of the first file should be input and written to the second file. View Solution

17) Write a program that inputs a text file. The program should print all of the unique words in the file in alphabetical order. View Solution

18) Write a Python class to convert an integer to a roman numeral. View Solution

19) Write a Python class to implement pow(x, n) View Solution

20) Write a Python class to reverse a string word by word. View Solution

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