#------------------------------------------------------
# prg1
#計算執行時間
import time
start = time.time()

# 程式

end = time.time()
print("%f" % (end-start))

#------------------------------------------------------
# Prg2
#計算執行時間 99乘法表
import time
start = time.time()

# 程式
for i in range(2,10):
    for j in range(2,10):
      print('%d * %d = %2d ' %(i, j , i*j),end="")
    print()

end = time.time()
print("執行時間 %f 秒" % (end-start))

#------------------------------------------------------
# prg3 加總副程式
import time
start = time.time()

n = int(input('請輸入數字 ?'))

def mysum(s):
  sum=0
  for i in range(0,s+1):
    sum = sum + i
  return sum

#你的程式
print('1 + 2 + ....+ ',n, '=',mysum(n))

end = time.time()
print("花費時間 %f 秒" % (end-start))

#------------------------------------------------------
# prg4 startA
import time
start = time.time()

n = int(input('請輸入數字 ?'))


def mysum(s):
  sum=0
  for i in range(0,s+1):
    sum = sum + i
  return sum

#你的程式

for i in range(0, n+1):
  for j in range(0, i+1):
    print('*',end="")
  print('\n')

end = time.time()
print("花費時間 %f 秒" % (end-start))

#------------------------------------------------------
# prg4 starB_sub
import time
start = time.time()

n = int(input('請輸入數字 ?'))

#副程式
def starA(n):
  for i in range(0, n+1):
    for j in range(0, i+1):
      print('*',end="")
    print('\n')

def starB(n):
  for i in range(0, n+1):
    for j in range(0, n-i):
      print('*',end="")
    print('\n')

#主程式
#starA(n)
starB(n)

end = time.time()
print("花費時間 %f 秒" % (end-start))


# 星星全
#------------------------------------------------------
# prg4 star_sub
import time
start = time.time()

#n = int(input('請輸入數字 ?'))
n=5
#副程式
def starA(n):
  for i in range(0, n+1):
    for j in range(0, i+1):
      print('*',end="")
    print('\n')

def starB(n):
  for i in range(0, n+1):
    for j in range(0, n-i):
      print('*',end="")
    print('\n')

def starC(n):
  for i in range(0, n+1):
    for j in range(0, i+1):
      print('*',end="")
    print('\n')
  for i in range(0, n+1):
    for j in range(0, n-i):
      print('*',end="")
    print('\n')

def print_star(k):
  for i in range(0,k):
    print('*', end="")
  return

def starD(n):
  for i in range(0, n):
    for j in range(0,n-i):
      print(' ',end="")
    #print_star(i)
    for k in range(0,i+1):
      print('*',end="")
    print('\n')

def starE(n):
  for i in range(0, n):
    for j in range(0,n-i):
      print(' ',end="")
    #print_star(i)
    for k in range(0,i+1):
      print('*',end="")
    for l in range(0,i):
      print('*',end="")
    print('\n')

def starF(n):
  for i in range(0, n):
    for j in range(0,n-i):
      print(' ',end="")
    #print_star(i)
    for k in range(0,i+1):
      print('*',end="")
    for l in range(0,i):
      print('*',end="")
    print('\n')
  #下半部
  for m in range(0, n):
    for j in range(0, m+2):
      print(' ',end="")
    for k in range(0, ((n-m)*2-3)):
      print('*',end="")
    print('\n')
	
#主程式
#starA(n)
#starB(n)
#starC(n)
starD(n)

end = time.time()
print("花費時間 %f 秒" % (end-start))