python calculate prime numbers until numer
until = 20
[n for n in range(2, until) if all(n % m != 0 for m in range(2, n-1))]python calculate prime numbers until numer
until = 20
[n for n in range(2, until) if all(n % m != 0 for m in range(2, n-1))]prime number in python
import math
a=[i for i in range(2,int(input('prime number range'))) if 0 not in [i%n for n in range(2,int(math.sqrt(i)))]]
print(a)prime checker in python
#make the function
#to do this all hte vairibles go in side the function
def CheckIfPrime ():
a1 = input("which number do you want to check")
a = int(a1)#you need the checking number as an int not an str
b = 2 #the number to check againts
c = ("yes")
while b < a:#run the loop
if a%b == 0:#check if the division has a remainder
c = ("no")#set the answer
b = b+1
print(c)#print the output
CheckIfPrime ()#call the functionCopyright © 2021 Codeinu
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