w=["abc","aaa","bbb","ccc","abb"] p=[57,49,45,60,20] x=["abc","ccc","ddd"] px=[] for x1 in x: p1=50 h=0 if x1 in w:h=100 if h>50:sx=w.index(x1) if h>50:p1=p[sx] px.append(p1) print(px)