text = 'My name is Umidbek'

print(text.lower())
print(100*'-')

print(text.upper())
print(100*'-')

print(text.title())
print(100*'-')

print(text.capitalize())
print(100*'-')

print(text.swapcase())
print(100*'-')

print(text.count('is'))
print(100*'-')

print(text.find('is'))
print(100*'-')

print(text.index('is'))
print(100*'-')

print(text.isalnum())
print(100*'-')