Python finds the position of a character in a string instance

The following is an example of how to find the position of a character in a string using Python. It has a good reference value and I hope it will be helpful to everyone. Let’s come and take a look

str_1='wo shi yi zhi da da niu '
char_1='i'
nPos=str_1.index(char_1)
print(nPos)

##Run result: 7

======== is to use find==========

str_1='wo shi yi zhi da da niu '
char_1='i'
nPos=str_1.find(char_1)
print(nPos)

Result: 5

========How to find all 'i' positions in a string? ===========

#开挂模式
str_1='wo shi yi zhi da da niu '
char_1=str(input('Please input the Char you want:'))
count=0
str_list=list(str_1)
for each_char in str_list:
 count+=1
 if each_char==char_1:
  print(each_char,count-1)

##Run result:

Please input the Char you want:i
i 0
i 1
i 2
i 3

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