Question

write a python program to print list of prime numbers between 1 to20

Answer 1

Answer:

Python Program to Print all Prime Numbers between an Interval

#Take the input from the user:

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.

Explanation:

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Answer 2

Answer:

Explanation:

x=int(input("Input number: "))

y=int(input("Input number: "))

if x>= 1 and y <= 20:

   for i in range(x,y):

       cont=1

       for j in range(1,i):

           if (i % j == 0):

               cont += 1

       if cont <= 2:

           print(i)

else:

   print("No between 1 and 20")