1. Description of the Python find() method
The Python find() method applied to a character string returns the smallest index of the substring if it is in this string. If the substring is not found, it returns -1.
2. Syntax
string. find(str, beg=0, end=len(string))3. Parameters
- string: This specifies the string to search for.
- beg: This is the start index, default is 0.
- end: This is the end index, by default it is equal to the length of the string.
3. Return value
Index where the substring is found and -1 otherwise.
Example
str1 = "Python is the most popular programming language"
str2="th"
print(str1.find(str2)) # displays: 2
print(str1.find(str2, 7)) # displays: 10
print(str1.find(str2, 47)) # displays: -1
print(str1.find(str2 , 5 , 31)) # displays: 10Younes Derfoufi
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