SunFounder ESP32 User Manual

SunFounder ESP32 Starter Kit
List Length
To determine how many items are in the list, use the len() function.
A_list = ["Banana", 255, False, 3.14]
print(len(A_list))
>>> %Run -c $EDITOR_CONTENT
4
Check List items
Print the second item of the list:
A_list = ["Banana", 255, False, 3.14]
print(A_list[1])
>>> %Run -c $EDITOR_CONTENT
[255]
Print the last one item of the list:
A_list = ["Banana", 255, False, 3.14]
print(A_list[-1])
>>> %Run -c $EDITOR_CONTENT
[3.14]
Print the second, third item:
A_list = ["Banana", 255, False, 3.14]
print(A_list[1:3])
>>> %Run -c $EDITOR_CONTENT
[255, False]
Change List Items
Change the second, third item:
A_list = ["Banana", 255, False, 3.14]
A_list[1:3] = [True,"Orange"]
print(A_list)
>>> %Run -c $EDITOR_CONTENT
['Banana', True, 'Orange', 3.14]
Change the second value by replacing it with two values:
3.6. 1.6 (Optional) MicroPython Basic Syntax 305

SunFounder ESP32 Specifications

General

Brand	SunFounder
Model	ESP32
Category	Controller
Language	English