print nested dict

print_dict.py

# var 1
for key, val in prms.items():
    if type(val) is dict:                                                                                                                            
        for key2, val2 in val.items():
            print('\t {0}: {1}'.format(key2, val2))                                                                                                  
    else:
        print('{0}: {1}'.format(key, val))

# var 2
import yaml
print(yaml.dump(prms))