how to check nth prime in python
def isprime(n):
c=0
for i in range(1,n+1):
if(n%i==0):
c=c+1
if c==2:
return 1
else:
return 0
n=int(input())
c=0
x=1
while(c<=n):
x=x+1
for i in range(2,x+1):
if isprime(i):
c+=1
print(x)