For loops and range built-in functions in python

The following article will share with you a detailed explanation of the for loop and range built-in functions in Python. It has a good reference value and I hope it will be helpful to everyone. Let’s come and take a look.

is as follows:

1. The for loop is used with the range built-in function

range function generates a list starting from zero,

range(4) means list: 0123

range(1,11,2) means a list with a step length of 2 starting from 1 to 11-1: 13579

That is, range(i) means starting from 0 to A list of i-1, range(m,n) represents a list starting from m to n-1, range(m,n,t) represents a list starting from m with steps t to n-1

'''

print('第一次循环输出：')
for i in range(4):
 print(i)
print('第二次循环输出：')
for i in range(1,11,2):
 print(i)

# 2. The following is the number ## in the enumerated output [].

#

print('第三次循环输出：')
for i in[0,7,3]:
 print(i)

# 3. The following is the output of the defined content in sequence

print('第四次循环输出：')
foo ='a,b,m'
for i in foo:
 print(i)

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