How do I print a specific line in a file in Python?

How do I print a specific line in a file in Python?

Use enumerate() to assign index values to each line in the file and print the specific lines

1. file = open(“sample.txt”)
2. lines_to_print = [0, 2]
3. for index, line in enumerate(file):
4. if ( index in lines_to_print):
5. print(line)
6. file.

How do you print a string of a line by line in Python?

Python String splitlines() Method

1. Syntax:
2. Parameters:
3. keepends (optional): When set to True line breaks are included in the resulting list. This can be a number, specifying the position of line break or, can be any Unicode characters, like “\n”, “\r”, “\r\n”, etc as boundaries for strings.
4. Return Value:

How do I check if a file contains a string in Python?

Steps:

1. Open a file.
2. Set variables index and flag to zero.
3. Run a loop through the file line by line.
4. In that loop check condition using the ‘in’ operator for string present in line or not. If found flag to 0.
5. After loop again check condition for the flag is set or not.
6. Close a file.

How do I open and edit a file in Python?

Use file. readlines() to edit a file

1. my_file = open(“data.txt”)
2. string_list = my_file. readlines() Get file’s content as a list.
3. my_file.
4. print(string_list)
5. string_list[1] = “Edit the list of strings as desired\n”
6. my_file = open(“data.txt”, “w”)
7. new_file_contents = “”. join(string_list)
8. my_file. write(new_file_contents)

How to print specific lines of a file in Python?

Both methods above leave a newline at the end of each string, except for the last string. To search for a specific string, or a specific line number, I’d say the first method is best. Looking for a specific line number would be as simple as:

How to search for strings in a file in Python?

It accepts a file path and a string as arguments. Then iterates over each line in the file one by one and for each line check if it contains the given string or not. If the line contains the given string, then return True. Whereas if no line in the file contains the given string, then it returns False. Contents of the file ‘sample.txt’ are,

How to get line numbers from a string in Python?

Open the file at the given path in read-only mode. Iterates over each line in the file one by one. For each line, check if it contains the given string or not. Creates a tuple of line number & the line and adds that to a list of tuples. Return the list of tuples i.e., matched lines along with line numbers.

How to print two words in same line in Python?

I found if use Samraj Moorjani’s logic, if we try put two or three words in same line, this line will be output 2 or 3 times. Hope my code is useful.