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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