#coding:utf-8

#print("\n")
#title= "  {:3} {:5} {:8} {:4}"  #最小幅
#print(title.format("n","n^2","n^3","n^4")) 
#文字列型では右側を空白で埋める

print("\n  n   n^2   n^3      n^4")
num = 2 
while num <= 9:
    ans = "{:3g} {:4g} {:6g} {:8g}"
    print(ans.format(num,pow(num,2), pow(num,3),pow(num,4))) 
    #数字型は右寄せ、左側を空白で埋める
    num +=1

            

実行結果