16 lines
344 B
Python
16 lines
344 B
Python
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def dict_to_params(d):
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'''
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Given a dictionary of URL parameters, return a URL parameter string.
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{'a':1, 'b':2} -> '?a=1&b=2'
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'''
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if not d:
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return ''
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params = [f'{key}={value}' for (key, value) in d.items() if value]
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params = '&'.join(params)
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if params:
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params = '?' + params
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return params
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