第三章课后习题3.13-3.15

 

3.13

s = "Python String"
print( s.upper() )
print( s.lower() )
print( s.find('i') )
print( s.replace('ing', 'gni') )
print( s.split(' ') )

PYYHON STRING         python string       10         Python Strgni             ['Python', 'String']

3.14

 print("{:>15s}:{:<8.2f}".format("Length", 23.88501))

Length : 23.88

3.15

s = "{0:b}, {0:o}, {0:d}, {0:x},{0:c}"
print(s)

 

{0:b}, {0:o}, {0:d}, {0:x},{0:c}