摘要：
Tkinter 支持将很多 GUI 组件与变量进行双向绑定，执行这种双向绑定后编程非常方便： 如果程序改变变量的值，GUI 组件的显示内容或值会随之改变。 当 GUI 组件的内容发生改变时（比如用户输入），变量的值也会随之改变。 为了让 Tkinter 组件与变量进行双向绑定，只要为这些组件指定 v 阅读全文
posted @ 2022-04-02 08:44
emanlee
阅读(1410)
评论(0)
推荐(0)
摘要：
因为Flask2.0中已经移除了_compat这个模块，导入直接就报错，那么很简单只要flask_script模块进行维护更新就可以了，很不幸的是，flask_script库已经4年多没有进行更新了，而且该作者也在issue上表示过不再对这个库后续进行维护，意思是要抛弃了，后来我找了下资料，原因大概 阅读全文
posted @ 2022-04-01 22:11
emanlee
阅读(288)
评论(0)
推荐(0)
摘要：
Python 3 - Mock Test IV Q 1 - Which of the following function removes all leading and trailing whitespace in string? A - replace(old, new [, max]) B - 阅读全文
posted @ 2022-04-01 21:31
emanlee
阅读(117)
评论(0)
推荐(0)
摘要：
Python 3 - Mock Test III Q 1 - Which of the following operator in python evaluates to true if it does not finds a variable in the specified sequence a 阅读全文
posted @ 2022-04-01 21:30
emanlee
阅读(96)
评论(0)
推荐(0)
摘要：
Python 3 - Mock Test II Q 1 - What is the output of print tuple[2:] if tuple = ( 'abcd', 786 , 2.23, 'john', 70.2 )? A - ( 'abcd', 786 , 2.23, 'john', 阅读全文
posted @ 2022-04-01 21:25
emanlee
阅读(85)
评论(0)
推荐(0)
摘要：
Python 3 - Mock Test I Q 1 - Which of the following is correct about Python? A - Python is a high-level, interpreted, interactive and object-oriented 阅读全文
posted @ 2022-04-01 21:23
emanlee
阅读(137)
评论(0)
推荐(0)
摘要：
What is Python? Python is a high-level, interpreted, interactive and object-oriented scripting language. Python is designed to be highly readable. It 阅读全文
posted @ 2022-04-01 21:20
emanlee
阅读(83)
评论(0)
推荐(0)
摘要：
Turtle is a special feathers of Python. Using Turtle, we can easily draw in a drawing board. First we import the turtle module. Then create a window, 阅读全文
posted @ 2022-04-01 20:18
emanlee
阅读(171)
评论(0)
推荐(0)
摘要：
Python provides various options for developing graphical user interfaces (GUIs). The most important features are listed below. Tkinter − Tkinter is th 阅读全文
posted @ 2022-04-01 19:08
emanlee
阅读(161)
评论(0)
推荐(0)
摘要：
Mathematically a set is a collection of items not in any particular order. A Python set is similar to this mathematical definition with below addition 阅读全文
posted @ 2022-04-01 19:07
emanlee
阅读(62)
评论(0)
推荐(0)
浙公网安备 33010602011771号