mystring = 'He is a good boy. She was and is a good girl'
newstring = mystring.split()
is_count = 0
was_count = 0
for i in newstring:
if i == 'is' or i == 'Is':
is_count += 1
if i == 'was' or i == 'Was':
was_count += 1
print(is_count)
print(was_count)
bXlzdHJpbmcgPSAnSGUgaXMgYSBnb29kIGJveS4gU2hlIHdhcyBhbmQgaXMgYSBnb29kIGdpcmwnCm5ld3N0cmluZyA9IG15c3RyaW5nLnNwbGl0KCkKaXNfY291bnQgPSAwCndhc19jb3VudCA9IDAKZm9yIGkgaW4gbmV3c3RyaW5nOgoJaWYgaSA9PSAnaXMnIG9yIGkgPT0gJ0lzJzoKCQlpc19jb3VudCArPSAxCglpZiBpID09ICd3YXMnIG9yIGkgPT0gJ1dhcyc6CgkJd2FzX2NvdW50ICs9IDEKcHJpbnQoaXNfY291bnQpCnByaW50KHdhc19jb3VudCk=