get first item in dict (python sample code)

 refer to code:

.

my_dict = {'key1': 'value1', 'key2': 'value2', 'key3': 'value3'}

# Get the first key-value pair from the dictionary

first_key, first_value = next(iter(my_dict.items()))

print("First key:", first_key)

print("First value:", first_value)

..

Thank you.

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Pytorch, Infinite DataLoader using iter & next

 

# create dataloader-iterator

data_iter = iter(data_loader)

# iterate over dataset

# alternatively you could use while(True)

for i in range(NUM_ITERS_YOU_WANT)

try:

data = next(data_iter)

except StopIteration:

# StopIteration is thrown if dataset ends

# reinitialize data loader

data_iter = iter(data_loader)

data = next(data_iter)