st1 = "Welcome to Technonotes"
print("to" in st1)

st2 = "Welcome top Technonotes"
print("to" in st2)

st3 = "Welcome to Technonotes"
print("subs" in st3)

f5dc3f218daa5e55f2587243ff097b451a21ff7a
<mask token>

<mask token>
print('to' in st1)
<mask token>
print('to' in st2)
<mask token>
print('subs' in st3)

st1 = 'Welcome to Technonotes'
print('to' in st1)
st2 = 'Welcome top Technonotes'
print('to' in st2)
st3 = 'Welcome to Technonotes'
print('subs' in st3)

st1 = "Welcome to Technonotes"
print("to" in st1)

st2 = "Welcome top Technonotes"
print("to" in st2)

st3 = "Welcome to Technonotes"
print("subs" in st3)
