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def key_exists(key, d):
return key in d
def value_exists1(value, d):
return value in d.values()
def add_to_dict(key, value, d):
d[key] = value
def add_new_only_to_dict(key, value, d):
if not key in d:
d[key] = value
def increment_dictionary_value1(key, d):
d[key] += 1
def increment_dictionary_value2(key, d):
if key in d:
d[key] += 1
else:
d[key] = 1
def add_to_value_list1(key, value, d):
d[key].append(value)
def return_value_list1(prefix, d):
res = []
for k, v in d.items():
if k.startswith(prefix):
res.append(v)
return res
def value_exists2(value, d):
for _,v in d.items():
if value == v:
return True
if type(v) == list:
return value in v
return False
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