Lambda functions: Python allows you to create anonymous function i.e function having no names using a facility called lambda function. lambda functions are small functions not more than a line. It can have any number of arguments just like a normal function. The body of lambda functions is very small and consists of only one expression. The result of the expression is the value when the lambda is applied to an argument. Also there is no need for any return statement in lambda function.
The Variable Classes (BooleanVar, DoubleVar, IntVar, StringVar)
You can ask the system to let you know when a variable is changed. The Tk toolkit can use this feature, called tracing, to update certain widgets when an associated variable is modified. or modify the value your self … full artice
More topics covered:
- lambda with multiple arguments
- lambda expression into tkinter
- import time and time.ctime()
- placing window widget on self
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Python World 