print('rajan singh ')
print("rajan singh ")

print("rajan 'kumar' singh ")
print('rajan "Kumar" singh ')

# print('rajan 'kumar' singh ')
# print("rajan "kumar" singh")

#escap sequence 

print("hello \"rajan\" singh")
print("hello\nrajan")
print("hello\trajan")
print(' this is \\ backslack')
print('hell\blo')


