By caikuntong, 31 October, 2025
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【金山文档 | WPS云文档】 Python基础命令学习 https://www.kdocs.cn/l/co4T3uwDEqTE

学前准备

可以在b站、知乎等平台找到python相关课程,之后下载Visual Studio Code软件用于练习命令,在扩展中下载python。也可以使用其他软件进行练习。

二、基础命令

print命令

print('abc') 直接显示出字符

print(5+3) 计算出5+3的值

print('well water'+'river') 将两个字符连接

print('abc'*8) 在同一行显示出相应倍数字符

print('abc\n'*8) 分行显示出相应倍数字符

2.设计一个小游戏

print ('------------小游戏--------------')

temp = input('请猜测一下答案的数字:')

guess = int (temp)

if guess == 8:

print(' 恭喜你猜对了')

else:

print ('猜错了,答案是8')

print('游戏结束')

3.变量、字符串、数据类型、操作符

teacher = 'a'

print(teacher)

teacher = 'b'

print(teacher)

 

first = 3

second = 8

third = first + second

print(third)

 

myteacher = 'a'

yourteacher = 'b'

ourteacher = myteacher + yourteacher

print(ourteacher)

 

print('5'+'8')

print('Let\'s go') 显示出Let's go(防止把Let直接识别为字符串)

b = 'c:\now'

print(b) 显示出 c:

ow(\n为换行

解决方法:使用转义符\

b = 'c:\\now'

print(b)

也可使用原始字符r

b = r'c:\now'

print(b)

b = r'c:\now\fishc\a'

print(b)

b = r'c:\now\fishc\a\ '

print(b)

d = '''1

2

3

4'''

print(d)

数据类型分为:整型、浮点型、布尔类型、复数类型,操作符分为:算数操作符、比较操作符、逻辑操作符,关于几种数据类型和操作符类型的相关命令如下:

str ='520'+'1314'

print(str)

int = 520+1314

print(int)

a = 0.000000000000000000000025

print(a)

a = 1500000000000

print(a)

a = 1.5e11

print(a)

a = True+True

print(a)

a = True+False

print(a)

 

a = '520'

b = int(a)

print(b)

 

a = 5.99

c = int(a)

print(c)

 

a = 520

b = float(a)

print(b)

 

a = '520'

type(a)

print(type(a))

 

a = 'abc'

print(isinstance(a,str))

 

a = 5

a-=3

print(a)

d = 10

d//=8

print(d)

print(11 % 5)

print(5**2)

 

e = not True

print(e)