Python基础知识思维导图:- 根节点:Python基础知识
Python基础知识思维导图:
- 根节点:Python基础知识
- 子节点:
- 数据类型
- 数字
- 字符串
- 列表
- 元组
- 字典
- 运算符
- 算术运算符
- 比较运算符
- 赋值运算符
- 逻辑运算符
- 成员运算符
- 身份运算符
- 控制语句
- if...else...
- for循环
- while循环
- break
- continue
- pass
- 函数
- 定义函数
- 调用函数
- 参数传递
- 模块
- import
- from...import
代码:
# Python基础知识
# 数据类型
# 数字
a = 1
b = 2
c = a + b
print(c)
# 字符串
str1 = "Hello World!"
str2 = "Python"
str3 = str1 + str2
print(str3)
# 列表
list1 = [1,2,3]
list2 = [4,5,6]
list3 = list1 + list2
print(list3)
# 元组
tuple1 = (1,2,3)
tuple2 = (4,5,6)
tuple3 = tuple1 + tuple2
print(tuple3)
# 字典
dict1 = {'name': 'John', 'age': 20}
dict2 = {'gender': 'male', 'job': 'programmer'}
dict3 = dict1.update(dict2)
print(dict3)
# 运算符
# 算术运算符
a = 10
b = 5
c = a + b
print(c)
# 比较运算符
a = 10
b = 5
if a > b:
print("a is greater than b")
# 赋值运算符
a = 10
b = 5
a += b
print(a)
# 逻辑运算符
a = True
b = False
if a and b:
print("both a and b are true")
# 成员运算符
list1 = [1,2,3]
if 2 in list1:
print("2 is in list1")
# 身份运算符
a = 10
b = 10
if a is b:
print("a is equal to b")
# 控制语句
# if...else...
a = 10
b = 5
if a > b:
print("a is greater than b")
else:
print("b is greater than a")
# for循环
list1 = [1,2,3]
for i in list1:
print(i)
# while循环
i = 0
while i < 3:
print(i)
i += 1
# break
list1 = [1,2,3]
for i in list
本站系公益性非盈利分享网址,本文来自用户投稿,不代表码文网立场,如若转载,请注明出处
评论列表(37条)