210 三角形判斷

side1 = eval(input().strip())
side2 = eval(input().strip())
side3 = eval(input().strip())

if (side1+side2)>side3 and (side2+side3)>side1 and (side3+side1)>side2 :
    print("%d" %(side1+side2+side3))
else:
    print("Invalid")

303 迴圈數值相乘

n = int(input().strip())
for i in range(1,n+1):
    for j in range(1,i+1):
        print("{:>4}".format(i*j),end="")
    print("")

繪製等腰中空三角形

for i in range(1,n):
    for x in range(n-i):
      print(' ',end="")
    for y in range(i*2-1):
       if y==0 or y==i*2-2:
          print('*',end="")
       else :
           print(" ",end="")
    print()
for i in range(n*2-1):
    print("*",end="")
print()

參考資料：TQC+ Python 3