please help i cant print "We've been halfway through"

[Kakha]

g = 0
m = 300
while g <= m : 
    if g!=m :
        d=m-g
    elif g==m/2:
        print("We've been halfway through")
    print(f"Distance traveled {g}km , left to go {d}km speed 50 km/h")
    g = g + 50
else:
    print(f"Finish")

i find way

g = 0
m = 300
while g <= m : 
    if g==m/2:
        print("We've been halfway through")
    d=m-g
    print(f"Distance traveled {g}km , left to go {d}km speed 50 km/h")
    g = g + 50
else:
    print(f"Finish")