python read lines

1with open("file.txt") as file_in:
2    lines = []
3    for line in file_in:
4        lines.append(line)

1file1 = open('myfile.txt', 'r')
2Lines = file1.readlines()
3# usage:
4count = 0
5for line in Lines:
6    count += 1
7    print("Line{}: {}".format(count, line.strip()))

1f = open("filename")
2lines = f.readlines()

1f = open("file.txt", 'r')
2print(f.readlines())  # array of file lines

1file1 = open('myfile.txt', 'r')#open the file (mode read)
2count = 0 #used to count the lines
3
4for line in Lines:
5	line = file1.readline()#read a single line
6    if not line:
7    	break
8    count += 1
9    print("Line{}: {}".format(count, line))#print the lines with their number
10