Question

# multi-line strings use triple quotes
s = """
it was the best of times,
it was the worst of times,
it was the age of wisdom,
it was the age of foolishness,
it was the epoch of belief,
it was the epoch of incredulity,
it was the season of Light,
it was the season of Darkness,
it was the spring of hope,
it was the winter of despair,
"""

print s.count('of')
print s.find('wisdom')
print s.find('foolsihness')

10
72
-1

print s.upper()

IT WAS THE BEST OF TIMES,
IT WAS THE WORST OF TIMES,
IT WAS THE AGE OF WISDOM,
IT WAS THE AGE OF FOOLISHNESS,
IT WAS THE EPOCH OF BELIEF,
IT WAS THE EPOCH OF INCREDULITY,
IT WAS THE SEASON OF LIGHT,
IT WAS THE SEASON OF DARKNESS,
IT WAS THE SPRING OF HOPE,
IT WAS THE WINTER OF DESPAIR,

print s.replace('was', 'might have been')

it might have been the best of times,
it might have been the worst of times,
it might have been the age of wisdom,
it might have been the age of foolishness,
it might have been the epoch of belief,
it might have been the epoch of incredulity,
it might have been the season of Light,
it might have been the season of Darkness,
it might have been the spring of hope,
it might have been the winter of despair,