#!/usr/bin/env python3
s1 = 'a'
s2 = 'ab'
s3 = 'abc'
s4 = 'abcd'
print(f'{s1:>10}')
print(f'{s2:>10}')
print(f'{s3:>10}')
print(f'{s4:>10}')
#!/usr/bin/env python3
import datetime
now = datetime.datetime.now()
print(f'{now:%Y-%m-%d %H:%M}')
#!/usr/bin/env python3
for x in range(1, 11):
print(f'{x:02} {x*x:3} {x*x*x:4}')
#!/usr/bin/env python3
a = 300
# hexadecimal
print(f"{a:x}")
# octal
print(f"{a:o}")
# scientific
print(f"{a:e}")