# 2019/9/24
## 0924 今日作業
- 寫下如何完成 Big File 這題 CTF
>下載檔案 curl https://ta.foxo.tw/files/1f9eb25769a13591130c2d1964b075a5/bigfile.zip big.zip
- 簡述 mv ./a ./b 這行指令意義
>將./a檔案名稱改成./b
- 使用 Python 印出菱形並截圖4顆*、5顆*、6顆*輸出結果
```
num = input()
for i in range(0,num):
for j in range(0,num-(i+1)):
print(" "),
j += 1
for k in range(0,2*(i+1)-1):
print("*"),
k += 1
print""
i += 1
for i in range(0,num-1):
for j in range(0,num-(num-i)+1):
print(" "),
j += 1
for k in range(0,2*(num-(i+1))-1):
print("*"),
k += 1
print""
i += 1
```

- 使用 Python 印出並截圖4顆*、5顆*、6顆*輸出結果
```
num = input()
for i in range(0,num):
for j in range(0,num-i):
print("*"),
j += 1
print""
i += 1
for i in range(0,num):
for j in range(0,2*num-i):
print(" "),
j += 1
for k in range(0,i+1):
print("*"),
k += 1
print""
i += 1
```

- 寫一個 Python Function
```
def fun(n):
while(n!=0):
if(n >= 100):
print(n/100),
print("*100"),
n %= 100
if(n == 0):
continue
if(n >= 10):
print("+"),
print(n/10),
print("*10"),
n %= 10
if(n == 0):
continue
if(n >= 0):
print("+"),
print(n)
n %= 1
fun(200)
print""
fun(123)
print""
fun(691)
print""
print""
fun(440)
print""
fun(987)
print""
fun(555)
print""
fun(999)
print""
fun(926)
print""
fun(105)
print""
fun(456)
```

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