Question

How to read a text file line by line in Python

Answer 1

with open('info.txt') as f:
   line = f.readline()
   count = 1
   while line:
       print("Line {}: {}".format(count, line.strip()))
       line = f.readline()
       count += 1


'''
run:
 
Line 1: Python is an interpreted
Line 2: high-level, general-purpose
Line 3: programming language
Line 4: python design philosophy emphasizes code readability
Line 5: with its notable use of significant whitespace
 
'''

 

70+ SQL courses for beginners and professionals

Answer 2

with open('info.txt') as f:
    for count, line in enumerate(f):
        print("Line {}: {}".format(count + 1, line))


'''
run:
 
Line 1: Python is an interpreted

Line 2: high-level, general-purpose

Line 3: programming language

Line 4: python design philosophy emphasizes code readability

Line 5: with its notable use of significant whitespace
 
'''

 

70+ SQL courses for beginners and professionals