From ef11b92a80b87a33d34ca049f403e17bb49bbc89 Mon Sep 17 00:00:00 2001
From: spiderchen <8226659+spiderchenld@user.noreply.gitee.com>
Date: Wed, 16 Dec 2020 21:08:17 +0800
Subject: [PATCH 1/9] =?UTF-8?q?=E6=96=B0=E5=BB=BA=20Week1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../2\347\217\255/2\347\217\255_spiderchen/Week1/.keep"           | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 "\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week1/.keep"

diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week1/.keep" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week1/.keep"
new file mode 100644
index 00000000..e69de29b
-- 
Gitee


From e3e880298174e35ecf410b5e47e87db061184e0c Mon Sep 17 00:00:00 2001
From: spiderchen <8226659+spiderchenld@user.noreply.gitee.com>
Date: Wed, 16 Dec 2020 21:12:50 +0800
Subject: [PATCH 2/9] =?UTF-8?q?=E7=AC=AC=E4=B8=80=E5=91=A8=5F=E7=AC=AC?=
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 =?UTF-8?q?=E6=8F=90=E4=BA=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...\276\345\220\216\344\275\234\344\270\232.PNG" | Bin 0 -> 8424 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
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Gitee


From 9a76954c80d64a0fda69ab5d4acf26b845e99b22 Mon Sep 17 00:00:00 2001
From: spiderchen <8226659+spiderchenld@user.noreply.gitee.com>
Date: Sun, 20 Dec 2020 20:58:24 +0800
Subject: [PATCH 3/9] =?UTF-8?q?=E7=AC=AC=E4=B8=80=E5=91=A8=5F=E7=AC=AC?=
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z8#QwiXJeIU#Idz}zyKWa>)iujDXV%5J*_I(FZw?y3i96y!;WwkRkV;hMNW995?5M1
z2toF;{-}5``Oh8&>MXq^+jD%vr+<=UM_TP~fTzd>RL8KqP6zoT1x)qC|0zBKw(0-Z
t63&0Bs`>xUDSu-6-zkWGD|dNFRV;s0^{tqX+4Up=X{qU}maEu>{~sI-%k=;N

literal 0
HcmV?d00001

-- 
Gitee


From dc0e56db316b794e883b4f0fdcdcabc3f82ff1e5 Mon Sep 17 00:00:00 2001
From: spiderchen <8226659+spiderchenld@user.noreply.gitee.com>
Date: Mon, 21 Dec 2020 19:15:44 +0800
Subject: [PATCH 4/9] =?UTF-8?q?=E7=AC=AC=E4=B8=80=E5=91=A8=5F=E7=AC=AC?=
 =?UTF-8?q?=E4=B8=89=E8=8A=82=5F=E8=AF=BE=E5=90=8E=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...76\345\220\216\344\275\234\344\270\232.py" | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 "\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week1/\347\254\254\344\270\200\345\221\250_\347\254\254\344\270\211\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"

diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week1/\347\254\254\344\270\200\345\221\250_\347\254\254\344\270\211\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week1/\347\254\254\344\270\200\345\221\250_\347\254\254\344\270\211\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
new file mode 100644
index 00000000..3457d647
--- /dev/null
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week1/\347\254\254\344\270\200\345\221\250_\347\254\254\344\270\211\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
@@ -0,0 +1,41 @@
+"""
+1.四大基本数据结构中哪些是可变的，哪些是不可变的？
+可变的基本数据结构：List，Dict，Set
+不可变的基本数据结构：Tuple
+
+2.四大基本数据结构中哪些是有序的，哪些是无序的？
+有序的基本数据结构：List，Tuple
+无序的基本数据结构：Dict，Set
+
+3.六大基本数据类型
+整数
+浮点数
+字符串
+布尔值
+二进制序列（bytes）
+空（）
+
+4.四大基本数据结构
+列表（List）
+元组（Tuple）
+字典（Dict）
+集合（Set）
+"""
+
+# tuple
+a = (1,)
+b = (1.2, 'abc', True, None, bytes('hello world'.encode("utf-8")))
+print(b[4])
+
+# list
+c = [1]
+d = [1.2, 'abc', False, None, bytes('hello world'.encode("utf-8"))]
+print(d[4])
+
+# dict
+e = {'a': 1, 1.6: 2, 'c': bytes('hello world'.encode("utf-8")), 10: 4, 'm': None}
+print(e['m'])
+
+# set
+f = {'a', 1.6, bytes('hello world'.encode("utf-8")), None, 6, True, 666}
+print(f)
\ No newline at end of file
-- 
Gitee


From b90e54faee8c1e792a71c1fade859e47a1e2cdb8 Mon Sep 17 00:00:00 2001
From: spiderchen <chenlidongspider@gmail.com>
Date: Wed, 23 Dec 2020 21:22:12 +0800
Subject: [PATCH 5/9] =?UTF-8?q?=E7=AC=AC=E4=BA=8C=E5=91=A8=5F=E7=AC=AC?=
 =?UTF-8?q?=E4=B8=80=E8=8A=82=5F=E8=AF=BE=E5=90=8E=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Week2/my_calculator.py"                   | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 "\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/my_calculator.py"

diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/my_calculator.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/my_calculator.py"
new file mode 100644
index 00000000..0847caf9
--- /dev/null
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/my_calculator.py"
@@ -0,0 +1,69 @@
+"""
+第二周_第一节_课后作业
+"""
+
+
+def addition(a, b):
+    result = a + b
+    return result
+
+
+def subtraction(a, b):
+    result = a - b
+    return result
+
+
+def multiplication(a, b):
+    result = a * b
+    return result
+
+
+def division(a, b):
+    result = a / b
+    return result
+
+
+def exact_division(a, b):
+    result = a // b
+    return result
+
+
+def modulus(a, b):
+    result = a % b
+    return result
+
+
+def exponent(a, b):
+    result = a ** b
+    return result
+
+
+def sqrt(a):
+    result = a ** (1/2)
+    return result
+
+
+
+z = addition(1, 2)
+print(z)
+
+y = subtraction(5, 6)
+print(y)
+
+x = multiplication(5, 7)
+print(x)
+
+m = division(9, 3)
+print(m)
+
+n = exact_division(123, 51)
+print(n)
+
+o = modulus(5, 4)
+print(o)
+
+p = exponent(2, 8)
+print(p)
+
+r = sqrt(625)
+print(r)
\ No newline at end of file
-- 
Gitee


From 0a19c25de3aceab968e88ad801faa9904b8d2b1f Mon Sep 17 00:00:00 2001
From: spiderchen <chenlidongspider@gmail.com>
Date: Fri, 25 Dec 2020 22:45:42 +0800
Subject: [PATCH 6/9] =?UTF-8?q?=E7=AC=AC=E4=BA=8C=E5=91=A8=5F=E7=AC=AC?=
 =?UTF-8?q?=E4=BA=8C=E8=8A=82=5F=E8=AF=BE=E5=90=8E=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Week2/my_calculator.py"                   |  2 +
 ...76\345\220\216\344\275\234\344\270\232.py" | 50 +++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 "\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\272\214\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"

diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/my_calculator.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/my_calculator.py"
index 0847caf9..07434e51 100644
--- "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/my_calculator.py"
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/my_calculator.py"
@@ -2,6 +2,8 @@
 第二周_第一节_课后作业
 """
 
+# 对传入的参数,需要设置吗?
+
 
 def addition(a, b):
     result = a + b
diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\272\214\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\272\214\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
new file mode 100644
index 00000000..6bd6133c
--- /dev/null
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\272\214\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
@@ -0,0 +1,50 @@
+content = '''
+
+'''
+
+# 编码
+a = "你好".encode("utf-8")
+print(a)
+# 解码
+b = a.decode("utf-8")
+print(b)
+
+# 字符串的操作
+# 创建-Create
+x = "a"
+y = "b"
+z = x + y
+print(z)
+
+# 检索-Retrieve
+m = "hello, world"
+print(m[2])
+print(m.find("l"))
+print(m.find("z"))
+print(m.index("w"))
+
+# 更新-Update
+n = "hello werld, hello werld"
+print(n.replace("wer", "wor"))
+
+o = "<<python>>, <<java>>, <<c++>>"
+print(o.split(","))
+p = o.split(",")
+print(",".join(p))
+
+# 删除-Delete
+q = "      hello, world    "
+print(q.strip())
+
+# 格式化输出
+# format
+r = "ping"
+s = "pong"
+print("play pingpong: {}, {}".format(r, s))
+print("play pingpong: {0}, {1}, {0}, {1}".format(r, s))
+print("play pingpong: {a}, {b}, {a}, {b}".format(a="ping", b="pong"))
+print(f"play pingpong: {r}, {s}")
+
+# 小数的格式化输出
+t = "{:.2f}".format(3.14159)
+print(t)
\ No newline at end of file
-- 
Gitee


From 69b47ca34e1a026c8491df919328b68a9b26c050 Mon Sep 17 00:00:00 2001
From: spiderchen <chenlidongspider@gmail.com>
Date: Fri, 25 Dec 2020 23:38:56 +0800
Subject: [PATCH 7/9] =?UTF-8?q?=E7=AC=AC=E4=BA=8C=E5=91=A8=5F=E7=AC=AC?=
 =?UTF-8?q?=E4=BA=8C=E8=8A=82=5F=E8=AF=BE=E5=90=8E=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../2\347\217\255_spiderchen/Week2/input.txt" |  2 ++
 ...76\345\220\216\344\275\234\344\270\232.py" | 22 +++++++++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 "\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/input.txt"

diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/input.txt" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/input.txt"
new file mode 100644
index 00000000..937982ac
--- /dev/null
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/input.txt"
@@ -0,0 +1,2 @@
+hello, world
+hello, world
\ No newline at end of file
diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\272\214\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\272\214\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
index 6bd6133c..102589cf 100644
--- "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\272\214\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\272\214\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
@@ -1,6 +1,4 @@
-content = '''
 
-'''
 
 # 编码
 a = "你好".encode("utf-8")
@@ -36,6 +34,26 @@ print(",".join(p))
 q = "      hello, world    "
 print(q.strip())
 
+# 字符串的输入与输出
+# 保存到文件
+input = open("input.txt", "w", encoding="utf-8")
+content = "hello, world"
+input.write(content)
+input.close()
+
+# 读取文件
+output = open("input.txt", "r", encoding="utf-8")
+content = output.read()
+print(content)
+
+# 追加文件
+input = open("input.txt", "a", encoding="utf-8")
+content = "\nhello, world"
+input.write(content)
+input.close()
+
+
+
 # 格式化输出
 # format
 r = "ping"
-- 
Gitee


From 049879841dbce470543f18c40d59be658e710a6d Mon Sep 17 00:00:00 2001
From: spiderchen <chenlidongspider@gmail.com>
Date: Mon, 28 Dec 2020 00:00:30 +0800
Subject: [PATCH 8/9] =?UTF-8?q?=E7=AC=AC=E4=BA=8C=E5=91=A8=5F=E7=AC=AC?=
 =?UTF-8?q?=E4=B8=89=E8=8A=82=5F=E8=AF=BE=E5=90=8E=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...76\345\220\216\344\275\234\344\270\232.py" | 139 ++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 "\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\270\211\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"

diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\270\211\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\270\211\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
new file mode 100644
index 00000000..8aecd96c
--- /dev/null
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week2/\347\254\254\344\272\214\345\221\250_\347\254\254\344\270\211\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
@@ -0,0 +1,139 @@
+"""
+四大基本数据结构
+1.列表（List）
+create
+    append
+    + 和 +=
+    * 和 *=
+    insert
+retrieve
+    索引取值
+    切片取值
+    index
+update
+    索引赋值
+    切片赋值
+delete
+    pop()
+    clear()
+sort()  # list自身的方法
+sorted()  # 内置的函数
+reverse()
+
+2.元组（Tuple）
+create
+    无
+retrieve
+    索引取值
+    index
+    切片
+update
+    无
+delete
+    无
+
+3.字典（Dict）
+create
+    键值对赋值
+    update
+    setdefault
+retrieve
+    键值对访问
+    get方法  # 不会报错
+    keys()
+    values()
+    items()
+update
+    键值对赋值
+    update
+delete
+    pop(key)
+    popitem()
+    clear()
+
+4.集合（Set）
+create
+    add
+retrieve
+    运算符in
+update
+    update
+    union
+delete
+    remove 和discard
+    pop()
+"""
+
+
+# list
+a_1 = [1]
+a_1.append(2)  # 增加元素
+a_1.append('a')  # 增加元素
+print(a_1)
+a_2 = [{'x': 1, 'y': 2, 'z': 3}, (3, 4), 5]
+a_3 = a_1 + a_2  # 拼接 +
+print(a_3)
+a_1 += a_2  # 相当于extend接口
+print(a_1)
+a_1.insert(0, 'chenlidong')  # 在指定位置插入元素
+print(a_1)
+print(a_1[4])  # 索引取值
+print(a_1[2:5])
+print(a_1.index('chenlidong'))
+a_1[0] = 'spiderchen'  # 索引赋值
+print(a_1)
+x = a_1.pop()  # 从末尾删除元素并返回
+print(x)
+print(a_1)
+a_4 = [2, 5, 3, 4, 8, 7]
+a_4.sort()
+print(a_4)
+a_5 = [2, 5, 1, 3, 4, 8, 7]
+a_6 = sorted(a_5)
+print(a_6)
+print(a_5)
+a_5.reverse()
+print(a_5)
+
+
+print('----------------------')
+# tuple
+b = (1.2, 'abc', 1, (1, 2))
+print(b[3])
+print(b[0:2])
+print(b.index(1))
+
+print('----------------------')
+# dict
+c = {'a': 1, 'b': 2, 'c': 3, 'e': 5}
+c['d'] = 4
+print(c)
+c.update({'f': 6, 'g': 7})
+print(c)
+print(c.setdefault('a', 100))
+print(c.get('e'))
+print(c.keys())
+print(c.values())
+print(c.items())
+c['a'] = 100
+c.update({'b': 200, 'c': 300})
+print(c)
+print(c.pop('a'))
+print(c.popitem())
+
+print('----------------------')
+# set
+d = {'a'}
+print(d)
+d.add('b')
+print(d)
+print('a' in d)
+d.update({1, 2, 3})
+d_2 = {(1, 2), '[2, 4, 6]'}
+print(d_2)
+print(d.union(d_2))
+print(d)
+d.remove('a')
+print(d)
+d.pop()
+print(d)
\ No newline at end of file
-- 
Gitee


From 1a89e4b1a55bcbf2ddc691b2a5e5514a06682fac Mon Sep 17 00:00:00 2001
From: spiderchen <chenlidongspider@gmail.com>
Date: Wed, 30 Dec 2020 22:50:58 +0800
Subject: [PATCH 9/9] =?UTF-8?q?=E7=AC=AC=E4=B8=89=E5=91=A8=5F=E7=AC=AC?=
 =?UTF-8?q?=E4=B8=80=E8=8A=82=5F=E8=AF=BE=E5=90=8E=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...76\345\220\216\344\275\234\344\270\232.py" | 125 ++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 "\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week3/\347\254\254\344\270\211\345\221\250_\347\254\254\344\270\200\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"

diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week3/\347\254\254\344\270\211\345\221\250_\347\254\254\344\270\200\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week3/\347\254\254\344\270\211\345\221\250_\347\254\254\344\270\200\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
new file mode 100644
index 00000000..3ac9d19d
--- /dev/null
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/2\347\217\255/2\347\217\255_spiderchen/Week3/\347\254\254\344\270\211\345\221\250_\347\254\254\344\270\200\350\212\202_\350\257\276\345\220\216\344\275\234\344\270\232.py"
@@ -0,0 +1,125 @@
+# 1.用for循环和while循环来完成简单的计数
+
+for e in range(10):
+    print(e)
+
+i = 0
+while i < 10:
+    print(i)
+    i += 1
+
+# 2.用for循环和while循环两种方式来实现斐波那契函数
+def fib(n):
+    if n == 1:
+        return [0]
+    elif n == 2:
+        return [0, 1]
+    elif n > 2:
+        fibs = [0, 1]
+        for i in range(2, n):
+            fibs.append(fibs[-2] + fibs[-1])
+        return fibs
+
+
+print(fib(int(input("请输入多少位斐波那契数列？"))))
+
+print("----------------")
+
+
+a = 0
+b = 1
+list2 = [0]
+n = int(input("请输入你需要几位斐波那契数列？（2~100）"))
+while n > 0:
+    list2.append(b)
+    a, b = b, a + b
+    n -= 1
+    print(list2)
+
+
+# 3.在第二周_第一节课我们实现的简单计算器的基础上，对参数进行检查，如果报错就抛出我们自定义异常ParamsError
+
+class ParamsError(Exception):
+    pass
+
+
+def addition(a, b):
+    result = a + b
+    return result
+
+
+def subtraction(a, b):
+    result = a - b
+    return result
+
+
+def multiplication(a, b):
+    result = a * b
+    return result
+
+
+def division(a, b):
+    try:
+        result = a / b
+    except ZeroDivisionError:
+        raise ParamsError("分母不可以为0")
+    return result
+
+
+def exact_division(a, b):
+    try:
+        result = a // b
+    except ZeroDivisionError:
+        raise ParamsError("分母不可以为0")
+    return result
+
+
+def modulus(a, b):
+    result = a % b
+    return result
+
+
+def exponent(a, b):
+    result = a ** b
+    return result
+
+
+def sqrt(a):
+    result = a ** (1/2)
+    return result
+
+
+
+z = addition(1, 2)
+print(z)
+
+y = subtraction(5, 6)
+print(y)
+
+x = multiplication(5, 7)
+print(x)
+
+m = division(9, 0)
+print(m)
+
+n = exact_division(123, 51)
+print(n)
+
+o = modulus(5, 4)
+print(o)
+
+p = exponent(2, 8)
+print(p)
+
+r = sqrt(0)
+print(r)
+
+
+
+
+
+
+
+
+
+
-- 
Gitee