#! /usr/local/opt/python/libexec/bin python3

from math import exp,log,sqrt

#print("output#11: {0:.4f}".format(exp(10)))
#print("output#12: {0:.3f}".format(log(10)))
#print("output#13: {0:.2f}".format(sqrt(10)))

print("output#14: {0:s}".format('I\'m enjoying free'))





print("output#18: {0:s}{1:s} {2:s}".format('It','\'s','time'))

sentence = "It's time"
m = len(sentence)
print("output#19: {0:d}".format(m))
