count lines txt python code example

Example 1: write number of lines in file python

fname = "test.txt"
count = 0
with open(fname, 'r') as f:
    for line in f:
        count += 1
print("Total number of lines is:", count)

Example 2: how to know how much lines a file has using python

filename = "test.txt"
count = 0
with open(filename, 'r') as f:
    for line in f:
        count += 1
print("Total number of lines is:", count)