#!/usr/bin/python3
from  random import randint
def main():
	mdict={x:x**2 for x in range(10)}
	print (*mdict) #print only keys
	for idx,val in mdict.items():
		print("key={},value={}".format(idx,val))
		print("key="+str(idx)+"value="+str(val))
	print(dir(mdict))
	mdict2={}
	for i in range(100):
		mdict["key_"+str(i)]=randint(0,100)
	for idx,val in mdict2.items():
		print ("key={},value={}".format(idx,val))
		
if __name__=="__main__":
	main()