robot = 'nomad'
robot[0]
robot[-1]
robot[0:3]
robot[:3]
robot[3:]

print("Ro" + "bot")

x = "Ro"
y = "bot"
z = x + y
print(z)
print(x + "bot")
print(2 * "ro" + "bot")

735c86554e44e8795782e17fec6ec2e65933c661
<mask token>

<mask token>
robot[0]
robot[-1]
robot[0:3]
robot[:3]
robot[3:]
print('Ro' + 'bot')
<mask token>
print(z)
print(x + 'bot')
print(2 * 'ro' + 'bot')

robot = 'nomad'
robot[0]
robot[-1]
robot[0:3]
robot[:3]
robot[3:]
print('Ro' + 'bot')
x = 'Ro'
y = 'bot'
z = x + y
print(z)
print(x + 'bot')
print(2 * 'ro' + 'bot')

robot = 'nomad'
robot[0]
robot[-1]
robot[0:3]
robot[:3]
robot[3:]

print("Ro" + "bot")

x = "Ro"
y = "bot"
z = x + y
print(z)
print(x + "bot")
print(2 * "ro" + "bot")
