a={"a":1,"b":2,"c":3,"d":4}
c=0
for i in a.items():
    c=c+1
print(c)
#------------------------------------------------------------------------------------------------------

# adding eliments in dictionary
x={1:"rajitha",2:"jyothi"}
x[3]="pratyusha"
x[4]="bhargavi"
print(x)

# --------------------------------------------------------------------------------------------------------

# adding eliment enother method
k={"tree":"frout","book":"pen","water":"bottle"}
k["air"]={"glass":"juice","banana":"fruit"}
print(k)
# ---------------------------------------------------------------------------------------------------------

#