how to print all prime numbers up to a given number python code example

Example 1: python program to find n prime numbers

num = 10
for i in range(2,num+1):
    for j in range(2,i):
        if(i%j == 0):
            break
    else:
        print(i)

Example 2: prime numbers upto n in python

lower = int(input("Enter lower range: "))  
upper = int(input("Enter upper range: "))  
  
for num in range(lower,upper + 1):  
   if num > 1:  
       for i in range(2,num):  
           if (num % i) == 0:  
               break  
       else:  
           print(num)