[Host1]
dfwm2
dwm1-su2
[Host2]
cisb1
cisb2
[Othe]
b4
b8

[1]
edit
run show
exit
show  et-0/0/0 brief
show adjacency
show oamtest
edit
run

def read_hosts(filename):
# Read the filename and store file content in a variable as list of lines. Variable - file_cont
hosts={}
key=''
value=[]
with open(filename) as f:
    lines = f.read().splitlines()
    for line in lines:
    #if '[' in line and ']' in line:
        if line.startswith('[') and line.endswith(']'):
            key = line[1:-1]
            value = []
            hosts[key]=value
return hosts