0X01 Function Description:
The python range() function creates a list of integers, typically used in a for loop.
0X02 function syntax:
range(start,stop[,step])
- start: The count starts at start. The default is 0. For example, range(5) is equivalent to range(0, 5).
- stop: count up to but not including stop. e.g. range(0, 5) is [0, 1, 2, 3, 4] without 5
- step: step size, default is 1. e.g. range(0, 5) is equivalent to range(0, 5, 1)
Examples:
# Set a sequence of integers starting at 0 and going up to 10
range1 = range(10)
for range1 in range1:
print("listingsrange(10)Element Output：",range1)
print("---------------------------------------------")
# Setting a sequence of 0 to 30 with a step size of 5
range2 = range(0,30,5)
for range2 in range2:
print("listingsrange(0,30,5)Element Output：",range2)
print("---------------------------------------------")
#Ranges are used in conjunction with for loops.
new_str = "I am a genius"
for a in range(len(new_str)):
print("Letters in a string:",new_str[a])
Run results:
C:\Users\aaron\Desktop\Pytoon-cade\venv\Scripts\ C:/Users/aaron/.PyCharmCE2019.3/config/scratches/ listingsrange(10)Element Output： 0 listingsrange(10)Element Output： 1 listingsrange(10)Element Output： 2 listingsrange(10)Element Output： 3 listingsrange(10)Element Output： 4 listingsrange(10)Element Output： 5 listingsrange(10)Element Output： 6 listingsrange(10)Element Output： 7 listingsrange(10)Element Output： 8 listingsrange(10)Element Output： 9 --------------------------------------------- listingsrange(0,30,5)Element Output： 0 listingsrange(0,30,5)Element Output： 5 listingsrange(0,30,5)Element Output： 10 listingsrange(0,30,5)Element Output： 15 listingsrange(0,30,5)Element Output： 20 listingsrange(0,30,5)Element Output： 25 --------------------------------------------- A letter in a string： I A letter in a string： A letter in a string： a A letter in a string： m A letter in a string： A letter in a string： a A letter in a string： A letter in a string： g A letter in a string： e A letter in a string： n A letter in a string： i A letter in a string： u A letter in a string： s Process finished with exit code 0
summarize
The above is a small introduction to the Python3 common function range() usage, I hope to help you!