A 3.7m-long python was found curled up in the engine compartment of a taxi parked in the open-air carpark next to Block 313, Shunfu Road.
The reticulated python was captured by rescue officers from Acres.
A 3m-long python was found in a second-storey Changi home. The reptile was removed by pest controllers.
A grey python with green spots appeared in the master bedroom of a 12th-storey flat at Block 409, Tampines Street 41.
The family caught the python in a pillowcase, tied a knot and placed it in an empty fish tank. The family released it into a forested area in Mandai.