python compiler online

1Use this site
2https://repl.it/languages/python3

1Use Repl.it "Believe me It's Best"
2linK: https://repl.it/languages/python3

1Use repl.it! 
2https://repl.it/languages/python3

1This is the best online compler for python which I've used.
2Probably you will find it on the top of your search resluts too.
3
4https://www.programiz.com/python-programming/online-compiler/

1w3schools has another compiler option
2https://www.w3schools.com/python/trypython.asp?filename=demo_compiler

1from sys import stdin
2from collections import deque
3
4def beauty(n,m,s,x,y):
5    degree=[0 for i in range(n)]
6    graph={i:[] for i in range(n)}
7    for i in range(m):
8        x[i]-=1
9        y[i]-=1
10        graph[x[i]].append(y[i])
11        degree[y[i]]+=1
12    q=deque()
13    for i in range(n):
14        if degree[i]==0:
15            q.append(i)
16    count=0
17    ans=0
18    dp=[[0 for i in range(26)]for i in range(n)]
19    while count<n and q:
20        a=q.popleft()
21        count+=1
22        dp[a][ord(s[a])-97]+=1
23        for i in graph[a]:
24            for j in range(26):
25                dp[i][j]=max(dp[i][j],dp[a][j])
26            degree[i]-=1
27            if degree[i]==0:
28                q.append(i)
29    if count!=n:
30        return -1
31    else:
32        ans=0
33        for i in range(n):
34            ans=max(ans,max(dp[i]))
35        return ans
36