题解 | #遍历字典#
遍历字典
https://www.nowcoder.com/practice/0315639767824323a2cdb9ee3f998314
import sys
a={
'<':'less than',
'==':'equal'
}
print("Here is the original dict:")
for keys in a:
print('Operator {} means {}.'.format(keys,a.get(keys)))
print('\r')
print('The dict was changed to:')
a.setdefault('>','greater than')
for keys in a:
print('Operator {} means {}.'.format(keys,a.get(keys)))
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